./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:54:58,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:54:58,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:54:58,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:54:58,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:54:58,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:54:58,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:54:58,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:54:58,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:54:58,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:54:58,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:54:58,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:54:58,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:54:58,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:54:58,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:54:58,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:54:58,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:54:58,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:54:58,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:54:58,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:54:58,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:54:58,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:54:58,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:54:58,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:54:58,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:54:58,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:54:58,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:54:58,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:54:58,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:54:58,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:54:58,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:54:58,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:54:58,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:54:58,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:54:58,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:54:58,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:54:58,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:54:58,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:54:58,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:54:58,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:54:58,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:54:58,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:54:58,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:54:58,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:54:58,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:54:58,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:54:58,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:54:58,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:54:58,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:54:58,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:54:58,954 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:54:58,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:54:58,954 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:54:58,955 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:54:58,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:54:58,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:54:58,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:54:58,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 [2022-02-20 23:54:59,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:54:59,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:54:59,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:54:59,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:54:59,146 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:54:59,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2022-02-20 23:54:59,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c01fb8d/274969b7e5204c878b14488faa52f2a8/FLAGe2b2a8e9a [2022-02-20 23:54:59,621 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:54:59,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2022-02-20 23:54:59,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c01fb8d/274969b7e5204c878b14488faa52f2a8/FLAGe2b2a8e9a [2022-02-20 23:54:59,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c01fb8d/274969b7e5204c878b14488faa52f2a8 [2022-02-20 23:54:59,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:54:59,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:54:59,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:54:59,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:54:59,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:54:59,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a25cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59, skipping insertion in model container [2022-02-20 23:54:59,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:54:59,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:54:59,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2022-02-20 23:54:59,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:54:59,946 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:54:59,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2022-02-20 23:55:00,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:00,032 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:55:00,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00 WrapperNode [2022-02-20 23:55:00,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:00,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:00,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:55:00,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:55:00,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,078 INFO L137 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 136 [2022-02-20 23:55:00,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:00,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:55:00,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:55:00,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:55:00,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:55:00,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:55:00,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:55:00,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:55:00,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (1/1) ... [2022-02-20 23:55:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:00,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:55:00,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:55:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:55:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:55:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:55:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:55:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:55:00,246 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:55:00,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:55:00,633 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:55:00,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:55:00,639 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-20 23:55:00,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:00 BoogieIcfgContainer [2022-02-20 23:55:00,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:55:00,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:55:00,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:55:00,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:55:00,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:54:59" (1/3) ... [2022-02-20 23:55:00,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c49b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:00, skipping insertion in model container [2022-02-20 23:55:00,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:00" (2/3) ... [2022-02-20 23:55:00,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c49b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:00, skipping insertion in model container [2022-02-20 23:55:00,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:00" (3/3) ... [2022-02-20 23:55:00,646 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-optional-1.i [2022-02-20 23:55:00,649 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:55:00,650 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2022-02-20 23:55:00,676 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:55:00,681 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 23:55:00,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-02-20 23:55:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 76 states have (on average 2.0921052631578947) internal successors, (159), 142 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:00,697 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:00,698 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:00,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:00,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:00,701 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:55:00,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:00,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698866085] [2022-02-20 23:55:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:00,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:00,807 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {146#true} is VALID [2022-02-20 23:55:00,808 INFO L290 TraceCheckUtils]: 1: Hoare triple {146#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {148#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:00,809 INFO L290 TraceCheckUtils]: 2: Hoare triple {148#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {147#false} is VALID [2022-02-20 23:55:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:00,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:00,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698866085] [2022-02-20 23:55:00,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698866085] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:00,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:00,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:00,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841389885] [2022-02-20 23:55:00,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:00,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:00,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:00,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:00,822 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:00,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:00,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:00,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:00,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:00,839 INFO L87 Difference]: Start difference. First operand has 143 states, 76 states have (on average 2.0921052631578947) internal successors, (159), 142 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,097 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2022-02-20 23:55:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:01,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2022-02-20 23:55:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2022-02-20 23:55:01,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 172 transitions. [2022-02-20 23:55:01,346 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,362 INFO L225 Difference]: With dead ends: 145 [2022-02-20 23:55:01,362 INFO L226 Difference]: Without dead ends: 141 [2022-02-20 23:55:01,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,367 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 128 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:01,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 84 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:01,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-02-20 23:55:01,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2022-02-20 23:55:01,407 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:01,409 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,412 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,413 INFO L87 Difference]: Start difference. First operand 141 states. Second operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,428 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2022-02-20 23:55:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2022-02-20 23:55:01,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,430 INFO L74 IsIncluded]: Start isIncluded. First operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 141 states. [2022-02-20 23:55:01,431 INFO L87 Difference]: Start difference. First operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 141 states. [2022-02-20 23:55:01,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,440 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2022-02-20 23:55:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2022-02-20 23:55:01,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,445 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:01,445 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.8846153846153846) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 147 transitions. [2022-02-20 23:55:01,450 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 147 transitions. Word has length 3 [2022-02-20 23:55:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:01,450 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 147 transitions. [2022-02-20 23:55:01,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2022-02-20 23:55:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:01,452 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:01,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:01,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:55:01,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:01,454 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:55:01,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:01,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211943412] [2022-02-20 23:55:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:01,492 INFO L290 TraceCheckUtils]: 0: Hoare triple {713#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {713#true} is VALID [2022-02-20 23:55:01,493 INFO L290 TraceCheckUtils]: 1: Hoare triple {713#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {715#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:01,494 INFO L290 TraceCheckUtils]: 2: Hoare triple {715#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {714#false} is VALID [2022-02-20 23:55:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:01,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:01,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211943412] [2022-02-20 23:55:01,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211943412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:01,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:01,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:01,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893679495] [2022-02-20 23:55:01,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:01,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:01,497 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:01,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,499 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:01,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,516 INFO L87 Difference]: Start difference. First operand 135 states and 147 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,772 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2022-02-20 23:55:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:01,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:55:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:55:01,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2022-02-20 23:55:01,925 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,930 INFO L225 Difference]: With dead ends: 131 [2022-02-20 23:55:01,930 INFO L226 Difference]: Without dead ends: 131 [2022-02-20 23:55:01,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,931 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 105 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:01,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 97 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-02-20 23:55:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2022-02-20 23:55:01,937 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:01,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,938 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,939 INFO L87 Difference]: Start difference. First operand 131 states. Second operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,943 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2022-02-20 23:55:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2022-02-20 23:55:01,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,944 INFO L74 IsIncluded]: Start isIncluded. First operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 131 states. [2022-02-20 23:55:01,944 INFO L87 Difference]: Start difference. First operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 131 states. [2022-02-20 23:55:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,947 INFO L93 Difference]: Finished difference Result 131 states and 143 transitions. [2022-02-20 23:55:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2022-02-20 23:55:01,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,947 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:01,948 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 126 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 139 transitions. [2022-02-20 23:55:01,951 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 139 transitions. Word has length 3 [2022-02-20 23:55:01,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:01,951 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 139 transitions. [2022-02-20 23:55:01,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 139 transitions. [2022-02-20 23:55:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 23:55:01,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:01,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:01,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:55:01,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:01,953 INFO L85 PathProgramCache]: Analyzing trace with hash 171916845, now seen corresponding path program 1 times [2022-02-20 23:55:01,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:01,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228459567] [2022-02-20 23:55:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:01,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:02,023 INFO L290 TraceCheckUtils]: 0: Hoare triple {1238#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {1238#true} is VALID [2022-02-20 23:55:02,024 INFO L290 TraceCheckUtils]: 1: Hoare triple {1238#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1238#true} is VALID [2022-02-20 23:55:02,024 INFO L290 TraceCheckUtils]: 2: Hoare triple {1238#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {1238#true} is VALID [2022-02-20 23:55:02,024 INFO L290 TraceCheckUtils]: 3: Hoare triple {1238#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1238#true} is VALID [2022-02-20 23:55:02,025 INFO L290 TraceCheckUtils]: 4: Hoare triple {1238#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {1238#true} is VALID [2022-02-20 23:55:02,025 INFO L290 TraceCheckUtils]: 5: Hoare triple {1238#true} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {1238#true} is VALID [2022-02-20 23:55:02,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {1238#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {1240#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:55:02,027 INFO L290 TraceCheckUtils]: 7: Hoare triple {1240#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {1241#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:02,027 INFO L290 TraceCheckUtils]: 8: Hoare triple {1241#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1241#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:02,028 INFO L290 TraceCheckUtils]: 9: Hoare triple {1241#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {1242#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:55:02,029 INFO L290 TraceCheckUtils]: 10: Hoare triple {1242#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} assume !(1 == #valid[main_#t~mem4#1.base]); {1239#false} is VALID [2022-02-20 23:55:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:02,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:02,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228459567] [2022-02-20 23:55:02,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228459567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:02,030 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:02,030 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:02,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198338770] [2022-02-20 23:55:02,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 23:55:02,031 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:02,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,040 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:02,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:02,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:02,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:02,042 INFO L87 Difference]: Start difference. First operand 127 states and 139 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,601 INFO L93 Difference]: Finished difference Result 171 states and 188 transitions. [2022-02-20 23:55:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:02,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 23:55:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2022-02-20 23:55:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2022-02-20 23:55:02,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 184 transitions. [2022-02-20 23:55:02,744 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,746 INFO L225 Difference]: With dead ends: 171 [2022-02-20 23:55:02,746 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:55:02,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:02,747 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 51 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:02,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 313 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:02,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:55:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 126. [2022-02-20 23:55:02,753 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:02,753 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,754 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,754 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,759 INFO L93 Difference]: Finished difference Result 171 states and 188 transitions. [2022-02-20 23:55:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2022-02-20 23:55:02,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,760 INFO L74 IsIncluded]: Start isIncluded. First operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 171 states. [2022-02-20 23:55:02,760 INFO L87 Difference]: Start difference. First operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 171 states. [2022-02-20 23:55:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,765 INFO L93 Difference]: Finished difference Result 171 states and 188 transitions. [2022-02-20 23:55:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2022-02-20 23:55:02,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:02,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 125 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 138 transitions. [2022-02-20 23:55:02,770 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 138 transitions. Word has length 11 [2022-02-20 23:55:02,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:02,770 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 138 transitions. [2022-02-20 23:55:02,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2022-02-20 23:55:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 23:55:02,771 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:02,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:02,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:55:02,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:02,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:02,772 INFO L85 PathProgramCache]: Analyzing trace with hash 171916846, now seen corresponding path program 1 times [2022-02-20 23:55:02,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:02,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009053690] [2022-02-20 23:55:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:02,873 INFO L290 TraceCheckUtils]: 0: Hoare triple {1888#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {1888#true} is VALID [2022-02-20 23:55:02,873 INFO L290 TraceCheckUtils]: 1: Hoare triple {1888#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1888#true} is VALID [2022-02-20 23:55:02,874 INFO L290 TraceCheckUtils]: 2: Hoare triple {1888#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {1888#true} is VALID [2022-02-20 23:55:02,874 INFO L290 TraceCheckUtils]: 3: Hoare triple {1888#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1888#true} is VALID [2022-02-20 23:55:02,874 INFO L290 TraceCheckUtils]: 4: Hoare triple {1888#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {1888#true} is VALID [2022-02-20 23:55:02,874 INFO L290 TraceCheckUtils]: 5: Hoare triple {1888#true} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {1888#true} is VALID [2022-02-20 23:55:02,875 INFO L290 TraceCheckUtils]: 6: Hoare triple {1888#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {1890#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:02,876 INFO L290 TraceCheckUtils]: 7: Hoare triple {1890#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {1891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:02,877 INFO L290 TraceCheckUtils]: 8: Hoare triple {1891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:02,878 INFO L290 TraceCheckUtils]: 9: Hoare triple {1891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {1892#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:55:02,879 INFO L290 TraceCheckUtils]: 10: Hoare triple {1892#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} assume !(4 + main_#t~mem4#1.offset <= #length[main_#t~mem4#1.base] && 0 <= main_#t~mem4#1.offset); {1889#false} is VALID [2022-02-20 23:55:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:02,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:02,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009053690] [2022-02-20 23:55:02,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009053690] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:02,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:02,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:02,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033677613] [2022-02-20 23:55:02,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:02,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 23:55:02,881 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:02,881 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,891 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:02,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:02,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:02,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:02,892 INFO L87 Difference]: Start difference. First operand 126 states and 138 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,304 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2022-02-20 23:55:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:03,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 23:55:03,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 133 transitions. [2022-02-20 23:55:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 133 transitions. [2022-02-20 23:55:03,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 133 transitions. [2022-02-20 23:55:03,385 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,387 INFO L225 Difference]: With dead ends: 125 [2022-02-20 23:55:03,387 INFO L226 Difference]: Without dead ends: 125 [2022-02-20 23:55:03,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:03,388 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 2 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:03,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 349 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:03,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-02-20 23:55:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-02-20 23:55:03,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:03,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,396 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,396 INFO L87 Difference]: Start difference. First operand 125 states. Second operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,398 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2022-02-20 23:55:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2022-02-20 23:55:03,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,399 INFO L74 IsIncluded]: Start isIncluded. First operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 125 states. [2022-02-20 23:55:03,399 INFO L87 Difference]: Start difference. First operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 125 states. [2022-02-20 23:55:03,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,401 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2022-02-20 23:55:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2022-02-20 23:55:03,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,402 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:03,402 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 124 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 137 transitions. [2022-02-20 23:55:03,405 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 137 transitions. Word has length 11 [2022-02-20 23:55:03,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:03,405 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 137 transitions. [2022-02-20 23:55:03,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2022-02-20 23:55:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:03,406 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:03,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:03,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:55:03,407 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash -468215045, now seen corresponding path program 1 times [2022-02-20 23:55:03,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:03,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644206570] [2022-02-20 23:55:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:03,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:03,507 INFO L290 TraceCheckUtils]: 0: Hoare triple {2399#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {2399#true} is VALID [2022-02-20 23:55:03,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {2399#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,509 INFO L290 TraceCheckUtils]: 2: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,509 INFO L290 TraceCheckUtils]: 3: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,509 INFO L290 TraceCheckUtils]: 4: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,510 INFO L290 TraceCheckUtils]: 5: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,510 INFO L290 TraceCheckUtils]: 6: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,511 INFO L290 TraceCheckUtils]: 7: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,511 INFO L290 TraceCheckUtils]: 8: Hoare triple {2401#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,511 INFO L290 TraceCheckUtils]: 9: Hoare triple {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,512 INFO L290 TraceCheckUtils]: 11: Hoare triple {2402#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {2400#false} is VALID [2022-02-20 23:55:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:03,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:03,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644206570] [2022-02-20 23:55:03,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644206570] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:03,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:03,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:03,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895233756] [2022-02-20 23:55:03,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:03,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:03,514 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:03,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,522 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:03,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:03,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:03,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:03,524 INFO L87 Difference]: Start difference. First operand 125 states and 137 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,773 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2022-02-20 23:55:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:03,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2022-02-20 23:55:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2022-02-20 23:55:03,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 154 transitions. [2022-02-20 23:55:03,880 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,882 INFO L225 Difference]: With dead ends: 127 [2022-02-20 23:55:03,882 INFO L226 Difference]: Without dead ends: 127 [2022-02-20 23:55:03,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:03,883 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 171 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:03,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 73 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-02-20 23:55:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2022-02-20 23:55:03,887 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:03,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,888 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,888 INFO L87 Difference]: Start difference. First operand 127 states. Second operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,890 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2022-02-20 23:55:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2022-02-20 23:55:03,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,891 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 127 states. [2022-02-20 23:55:03,892 INFO L87 Difference]: Start difference. First operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 127 states. [2022-02-20 23:55:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,894 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2022-02-20 23:55:03,894 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2022-02-20 23:55:03,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,895 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:03,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 117 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2022-02-20 23:55:03,898 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 12 [2022-02-20 23:55:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:03,898 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2022-02-20 23:55:03,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2022-02-20 23:55:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:03,899 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:03,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:03,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:55:03,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:03,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:03,900 INFO L85 PathProgramCache]: Analyzing trace with hash -468215044, now seen corresponding path program 1 times [2022-02-20 23:55:03,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:03,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244293567] [2022-02-20 23:55:03,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:03,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:04,039 INFO L290 TraceCheckUtils]: 0: Hoare triple {2906#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {2906#true} is VALID [2022-02-20 23:55:04,040 INFO L290 TraceCheckUtils]: 1: Hoare triple {2906#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2908#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:04,040 INFO L290 TraceCheckUtils]: 2: Hoare triple {2908#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,041 INFO L290 TraceCheckUtils]: 3: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,041 INFO L290 TraceCheckUtils]: 4: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,042 INFO L290 TraceCheckUtils]: 5: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,043 INFO L290 TraceCheckUtils]: 6: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,043 INFO L290 TraceCheckUtils]: 7: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,044 INFO L290 TraceCheckUtils]: 8: Hoare triple {2909#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2910#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,044 INFO L290 TraceCheckUtils]: 9: Hoare triple {2910#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {2910#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:04,048 INFO L290 TraceCheckUtils]: 10: Hoare triple {2910#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {2911#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:04,049 INFO L290 TraceCheckUtils]: 11: Hoare triple {2911#(and (<= 12 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {2907#false} is VALID [2022-02-20 23:55:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:04,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:04,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244293567] [2022-02-20 23:55:04,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244293567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:04,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:04,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:04,050 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736826424] [2022-02-20 23:55:04,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:04,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:04,050 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:04,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,060 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:04,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:04,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:04,061 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,565 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2022-02-20 23:55:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:04,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:04,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 196 transitions. [2022-02-20 23:55:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 196 transitions. [2022-02-20 23:55:04,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 196 transitions. [2022-02-20 23:55:04,707 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 196 edges. 196 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,709 INFO L225 Difference]: With dead ends: 171 [2022-02-20 23:55:04,709 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:55:04,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:04,710 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 180 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:04,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 151 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:55:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 146. [2022-02-20 23:55:04,714 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:04,715 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,719 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,720 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,722 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2022-02-20 23:55:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2022-02-20 23:55:04,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,723 INFO L74 IsIncluded]: Start isIncluded. First operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 171 states. [2022-02-20 23:55:04,724 INFO L87 Difference]: Start difference. First operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 171 states. [2022-02-20 23:55:04,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,726 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2022-02-20 23:55:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2022-02-20 23:55:04,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,727 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:04,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 145 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2022-02-20 23:55:04,729 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 12 [2022-02-20 23:55:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:04,730 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2022-02-20 23:55:04,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2022-02-20 23:55:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:55:04,730 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:04,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:04,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:55:04,731 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:04,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:04,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2003220227, now seen corresponding path program 1 times [2022-02-20 23:55:04,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:04,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185276061] [2022-02-20 23:55:04,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:04,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:04,775 INFO L290 TraceCheckUtils]: 0: Hoare triple {3575#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {3575#true} is VALID [2022-02-20 23:55:04,775 INFO L290 TraceCheckUtils]: 1: Hoare triple {3575#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3575#true} is VALID [2022-02-20 23:55:04,775 INFO L290 TraceCheckUtils]: 2: Hoare triple {3575#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {3575#true} is VALID [2022-02-20 23:55:04,775 INFO L290 TraceCheckUtils]: 3: Hoare triple {3575#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 4: Hoare triple {3575#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 5: Hoare triple {3575#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 6: Hoare triple {3575#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 7: Hoare triple {3575#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 8: Hoare triple {3575#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3575#true} is VALID [2022-02-20 23:55:04,776 INFO L290 TraceCheckUtils]: 9: Hoare triple {3575#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3575#true} is VALID [2022-02-20 23:55:04,777 INFO L290 TraceCheckUtils]: 10: Hoare triple {3575#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {3577#(= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1)} is VALID [2022-02-20 23:55:04,778 INFO L290 TraceCheckUtils]: 11: Hoare triple {3577#(= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {3578#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:04,778 INFO L290 TraceCheckUtils]: 12: Hoare triple {3578#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {3578#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:04,778 INFO L290 TraceCheckUtils]: 13: Hoare triple {3578#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {3579#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} is VALID [2022-02-20 23:55:04,779 INFO L290 TraceCheckUtils]: 14: Hoare triple {3579#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {3580#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,779 INFO L290 TraceCheckUtils]: 15: Hoare triple {3580#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {3576#false} is VALID [2022-02-20 23:55:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:04,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:04,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185276061] [2022-02-20 23:55:04,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185276061] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:04,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:04,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:04,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471150156] [2022-02-20 23:55:04,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:04,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:04,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:04,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:04,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:04,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:04,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:04,796 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,200 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2022-02-20 23:55:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:55:05,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:05,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 124 transitions. [2022-02-20 23:55:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 124 transitions. [2022-02-20 23:55:05,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 124 transitions. [2022-02-20 23:55:05,300 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,301 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:55:05,301 INFO L226 Difference]: Without dead ends: 146 [2022-02-20 23:55:05,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:05,302 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 273 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:05,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-20 23:55:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2022-02-20 23:55:05,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,304 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,304 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,305 INFO L87 Difference]: Start difference. First operand 146 states. Second operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,307 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2022-02-20 23:55:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2022-02-20 23:55:05,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,308 INFO L74 IsIncluded]: Start isIncluded. First operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:55:05,308 INFO L87 Difference]: Start difference. First operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:55:05,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,310 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2022-02-20 23:55:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2022-02-20 23:55:05,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,311 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,311 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 144 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2022-02-20 23:55:05,323 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 16 [2022-02-20 23:55:05,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,324 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2022-02-20 23:55:05,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2022-02-20 23:55:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:55:05,324 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:55:05,332 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:05,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2003220226, now seen corresponding path program 1 times [2022-02-20 23:55:05,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363153130] [2022-02-20 23:55:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,398 INFO L290 TraceCheckUtils]: 0: Hoare triple {4174#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {4174#true} is VALID [2022-02-20 23:55:05,399 INFO L290 TraceCheckUtils]: 1: Hoare triple {4174#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4174#true} is VALID [2022-02-20 23:55:05,399 INFO L290 TraceCheckUtils]: 2: Hoare triple {4174#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {4174#true} is VALID [2022-02-20 23:55:05,399 INFO L290 TraceCheckUtils]: 3: Hoare triple {4174#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4174#true} is VALID [2022-02-20 23:55:05,399 INFO L290 TraceCheckUtils]: 4: Hoare triple {4174#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4174#true} is VALID [2022-02-20 23:55:05,400 INFO L290 TraceCheckUtils]: 5: Hoare triple {4174#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {4174#true} is VALID [2022-02-20 23:55:05,400 INFO L290 TraceCheckUtils]: 6: Hoare triple {4174#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {4174#true} is VALID [2022-02-20 23:55:05,400 INFO L290 TraceCheckUtils]: 7: Hoare triple {4174#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {4174#true} is VALID [2022-02-20 23:55:05,400 INFO L290 TraceCheckUtils]: 8: Hoare triple {4174#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4174#true} is VALID [2022-02-20 23:55:05,400 INFO L290 TraceCheckUtils]: 9: Hoare triple {4174#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4174#true} is VALID [2022-02-20 23:55:05,401 INFO L290 TraceCheckUtils]: 10: Hoare triple {4174#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {4176#(and (= 12 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} is VALID [2022-02-20 23:55:05,402 INFO L290 TraceCheckUtils]: 11: Hoare triple {4176#(and (= 12 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {4177#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,402 INFO L290 TraceCheckUtils]: 12: Hoare triple {4177#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {4177#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,402 INFO L290 TraceCheckUtils]: 13: Hoare triple {4177#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {4178#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 12))} is VALID [2022-02-20 23:55:05,403 INFO L290 TraceCheckUtils]: 14: Hoare triple {4178#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 12))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {4179#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) 0))} is VALID [2022-02-20 23:55:05,403 INFO L290 TraceCheckUtils]: 15: Hoare triple {4179#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) 0))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {4175#false} is VALID [2022-02-20 23:55:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:05,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363153130] [2022-02-20 23:55:05,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363153130] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:05,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088718369] [2022-02-20 23:55:05,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:05,405 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,405 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,415 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:05,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:05,416 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,922 INFO L93 Difference]: Finished difference Result 137 states and 162 transitions. [2022-02-20 23:55:05,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:05,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 126 transitions. [2022-02-20 23:55:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 126 transitions. [2022-02-20 23:55:05,925 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 126 transitions. [2022-02-20 23:55:06,035 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,036 INFO L225 Difference]: With dead ends: 137 [2022-02-20 23:55:06,036 INFO L226 Difference]: Without dead ends: 137 [2022-02-20 23:55:06,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:06,037 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 25 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 323 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-02-20 23:55:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 130. [2022-02-20 23:55:06,039 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,039 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states. Second operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,039 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,040 INFO L87 Difference]: Start difference. First operand 137 states. Second operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,041 INFO L93 Difference]: Finished difference Result 137 states and 162 transitions. [2022-02-20 23:55:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2022-02-20 23:55:06,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,042 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 137 states. [2022-02-20 23:55:06,042 INFO L87 Difference]: Start difference. First operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 137 states. [2022-02-20 23:55:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,044 INFO L93 Difference]: Finished difference Result 137 states and 162 transitions. [2022-02-20 23:55:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2022-02-20 23:55:06,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,044 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,045 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.439252336448598) internal successors, (154), 129 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2022-02-20 23:55:06,046 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 16 [2022-02-20 23:55:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,047 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2022-02-20 23:55:06,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2022-02-20 23:55:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:55:06,047 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:55:06,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:06,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2123452236, now seen corresponding path program 1 times [2022-02-20 23:55:06,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139021621] [2022-02-20 23:55:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,076 INFO L290 TraceCheckUtils]: 0: Hoare triple {4735#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {4735#true} is VALID [2022-02-20 23:55:06,077 INFO L290 TraceCheckUtils]: 1: Hoare triple {4735#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,077 INFO L290 TraceCheckUtils]: 2: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,077 INFO L290 TraceCheckUtils]: 3: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,078 INFO L290 TraceCheckUtils]: 4: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,078 INFO L290 TraceCheckUtils]: 5: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,078 INFO L290 TraceCheckUtils]: 6: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,079 INFO L290 TraceCheckUtils]: 7: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,079 INFO L290 TraceCheckUtils]: 8: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,079 INFO L290 TraceCheckUtils]: 9: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,080 INFO L290 TraceCheckUtils]: 10: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:06,080 INFO L290 TraceCheckUtils]: 11: Hoare triple {4737#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4738#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:06,081 INFO L290 TraceCheckUtils]: 12: Hoare triple {4738#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {4736#false} is VALID [2022-02-20 23:55:06,081 INFO L290 TraceCheckUtils]: 13: Hoare triple {4736#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4736#false} is VALID [2022-02-20 23:55:06,081 INFO L290 TraceCheckUtils]: 14: Hoare triple {4736#false} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {4736#false} is VALID [2022-02-20 23:55:06,081 INFO L290 TraceCheckUtils]: 15: Hoare triple {4736#false} main_#res#1 := 0; {4736#false} is VALID [2022-02-20 23:55:06,081 INFO L290 TraceCheckUtils]: 16: Hoare triple {4736#false} assume !(#valid == main_old_#valid#1); {4736#false} is VALID [2022-02-20 23:55:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:06,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139021621] [2022-02-20 23:55:06,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139021621] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:06,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793881619] [2022-02-20 23:55:06,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:55:06,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,095 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:06,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:06,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:06,096 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,303 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2022-02-20 23:55:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:55:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2022-02-20 23:55:06,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2022-02-20 23:55:06,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 166 transitions. [2022-02-20 23:55:06,432 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,434 INFO L225 Difference]: With dead ends: 154 [2022-02-20 23:55:06,434 INFO L226 Difference]: Without dead ends: 154 [2022-02-20 23:55:06,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:06,435 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 153 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 154 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:06,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-02-20 23:55:06,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 130. [2022-02-20 23:55:06,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,438 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,438 INFO L87 Difference]: Start difference. First operand 154 states. Second operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,441 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2022-02-20 23:55:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 173 transitions. [2022-02-20 23:55:06,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,441 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 154 states. [2022-02-20 23:55:06,442 INFO L87 Difference]: Start difference. First operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 154 states. [2022-02-20 23:55:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,445 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2022-02-20 23:55:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 173 transitions. [2022-02-20 23:55:06,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,445 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 129 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2022-02-20 23:55:06,449 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 17 [2022-02-20 23:55:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,449 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2022-02-20 23:55:06,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2022-02-20 23:55:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:55:06,450 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:55:06,450 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:06,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1866791259, now seen corresponding path program 1 times [2022-02-20 23:55:06,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977007246] [2022-02-20 23:55:06,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,499 INFO L290 TraceCheckUtils]: 0: Hoare triple {5335#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {5335#true} is VALID [2022-02-20 23:55:06,499 INFO L290 TraceCheckUtils]: 1: Hoare triple {5335#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5335#true} is VALID [2022-02-20 23:55:06,499 INFO L290 TraceCheckUtils]: 2: Hoare triple {5335#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {5335#true} is VALID [2022-02-20 23:55:06,499 INFO L290 TraceCheckUtils]: 3: Hoare triple {5335#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 4: Hoare triple {5335#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 5: Hoare triple {5335#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 6: Hoare triple {5335#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 7: Hoare triple {5335#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 8: Hoare triple {5335#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 9: Hoare triple {5335#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5335#true} is VALID [2022-02-20 23:55:06,500 INFO L290 TraceCheckUtils]: 10: Hoare triple {5335#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5335#true} is VALID [2022-02-20 23:55:06,501 INFO L290 TraceCheckUtils]: 11: Hoare triple {5335#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5335#true} is VALID [2022-02-20 23:55:06,501 INFO L290 TraceCheckUtils]: 12: Hoare triple {5335#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {5335#true} is VALID [2022-02-20 23:55:06,501 INFO L290 TraceCheckUtils]: 13: Hoare triple {5335#true} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {5335#true} is VALID [2022-02-20 23:55:06,501 INFO L290 TraceCheckUtils]: 14: Hoare triple {5335#true} main_#t~short15#1 := 2 == main_#t~mem13#1; {5335#true} is VALID [2022-02-20 23:55:06,507 INFO L290 TraceCheckUtils]: 15: Hoare triple {5335#true} assume !main_#t~short15#1; {5337#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:06,508 INFO L290 TraceCheckUtils]: 16: Hoare triple {5337#(not |ULTIMATE.start_main_#t~short15#1|)} main_#t~short18#1 := main_#t~short15#1; {5338#(not |ULTIMATE.start_main_#t~short18#1|)} is VALID [2022-02-20 23:55:06,508 INFO L290 TraceCheckUtils]: 17: Hoare triple {5338#(not |ULTIMATE.start_main_#t~short18#1|)} assume main_#t~short18#1; {5336#false} is VALID [2022-02-20 23:55:06,508 INFO L290 TraceCheckUtils]: 18: Hoare triple {5336#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {5336#false} is VALID [2022-02-20 23:55:06,508 INFO L290 TraceCheckUtils]: 19: Hoare triple {5336#false} assume !(1 == #valid[main_#t~mem16#1.base]); {5336#false} is VALID [2022-02-20 23:55:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:06,509 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977007246] [2022-02-20 23:55:06,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977007246] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:06,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900548814] [2022-02-20 23:55:06,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:55:06,510 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,510 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,535 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:06,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:06,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:06,536 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,680 INFO L93 Difference]: Finished difference Result 156 states and 186 transitions. [2022-02-20 23:55:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:06,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:55:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2022-02-20 23:55:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2022-02-20 23:55:06,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 127 transitions. [2022-02-20 23:55:06,755 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,756 INFO L225 Difference]: With dead ends: 156 [2022-02-20 23:55:06,757 INFO L226 Difference]: Without dead ends: 156 [2022-02-20 23:55:06,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:06,757 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 21 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 304 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-02-20 23:55:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 134. [2022-02-20 23:55:06,759 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,759 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,760 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,760 INFO L87 Difference]: Start difference. First operand 156 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,762 INFO L93 Difference]: Finished difference Result 156 states and 186 transitions. [2022-02-20 23:55:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2022-02-20 23:55:06,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,762 INFO L74 IsIncluded]: Start isIncluded. First operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 156 states. [2022-02-20 23:55:06,763 INFO L87 Difference]: Start difference. First operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 156 states. [2022-02-20 23:55:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,765 INFO L93 Difference]: Finished difference Result 156 states and 186 transitions. [2022-02-20 23:55:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2022-02-20 23:55:06,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,765 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,765 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2022-02-20 23:55:06,767 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 20 [2022-02-20 23:55:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,767 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2022-02-20 23:55:06,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2022-02-20 23:55:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:55:06,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:55:06,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash 72886850, now seen corresponding path program 1 times [2022-02-20 23:55:06,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460967625] [2022-02-20 23:55:06,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,844 INFO L290 TraceCheckUtils]: 0: Hoare triple {5945#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {5945#true} is VALID [2022-02-20 23:55:06,845 INFO L290 TraceCheckUtils]: 1: Hoare triple {5945#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5945#true} is VALID [2022-02-20 23:55:06,845 INFO L290 TraceCheckUtils]: 2: Hoare triple {5945#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:06,846 INFO L290 TraceCheckUtils]: 3: Hoare triple {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:06,846 INFO L290 TraceCheckUtils]: 4: Hoare triple {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:06,848 INFO L290 TraceCheckUtils]: 5: Hoare triple {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:06,848 INFO L290 TraceCheckUtils]: 6: Hoare triple {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:06,849 INFO L290 TraceCheckUtils]: 7: Hoare triple {5947#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:06,850 INFO L290 TraceCheckUtils]: 8: Hoare triple {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:06,850 INFO L290 TraceCheckUtils]: 9: Hoare triple {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:06,851 INFO L290 TraceCheckUtils]: 10: Hoare triple {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:06,851 INFO L290 TraceCheckUtils]: 11: Hoare triple {5948#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:06,852 INFO L290 TraceCheckUtils]: 12: Hoare triple {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:06,852 INFO L290 TraceCheckUtils]: 13: Hoare triple {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:06,853 INFO L290 TraceCheckUtils]: 14: Hoare triple {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:06,853 INFO L290 TraceCheckUtils]: 15: Hoare triple {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:06,854 INFO L290 TraceCheckUtils]: 16: Hoare triple {5949#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {5950#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:06,854 INFO L290 TraceCheckUtils]: 17: Hoare triple {5950#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:06,859 INFO L290 TraceCheckUtils]: 18: Hoare triple {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short18#1 := main_#t~short15#1; {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:06,859 INFO L290 TraceCheckUtils]: 19: Hoare triple {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short18#1; {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:06,860 INFO L290 TraceCheckUtils]: 20: Hoare triple {5951#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {5952#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:55:06,860 INFO L290 TraceCheckUtils]: 21: Hoare triple {5952#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {5946#false} is VALID [2022-02-20 23:55:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:06,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460967625] [2022-02-20 23:55:06,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460967625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:55:06,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584601915] [2022-02-20 23:55:06,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:06,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,878 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:55:06,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:55:06,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:55:06,879 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,699 INFO L93 Difference]: Finished difference Result 247 states and 287 transitions. [2022-02-20 23:55:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:55:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:07,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 237 transitions. [2022-02-20 23:55:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 237 transitions. [2022-02-20 23:55:07,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 237 transitions. [2022-02-20 23:55:07,875 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 237 edges. 237 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:07,877 INFO L225 Difference]: With dead ends: 247 [2022-02-20 23:55:07,877 INFO L226 Difference]: Without dead ends: 247 [2022-02-20 23:55:07,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:55:07,878 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 270 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:07,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 373 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-20 23:55:07,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 148. [2022-02-20 23:55:07,880 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:07,881 INFO L82 GeneralOperation]: Start isEquivalent. First operand 247 states. Second operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,881 INFO L74 IsIncluded]: Start isIncluded. First operand 247 states. Second operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,881 INFO L87 Difference]: Start difference. First operand 247 states. Second operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,884 INFO L93 Difference]: Finished difference Result 247 states and 287 transitions. [2022-02-20 23:55:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 287 transitions. [2022-02-20 23:55:07,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,885 INFO L74 IsIncluded]: Start isIncluded. First operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:07,885 INFO L87 Difference]: Start difference. First operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,889 INFO L93 Difference]: Finished difference Result 247 states and 287 transitions. [2022-02-20 23:55:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 287 transitions. [2022-02-20 23:55:07,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,890 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,890 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:07,890 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 125 states have (on average 1.392) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2022-02-20 23:55:07,892 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 22 [2022-02-20 23:55:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:07,892 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2022-02-20 23:55:07,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2022-02-20 23:55:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:55:07,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:07,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:07,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:55:07,893 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr47REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 72886851, now seen corresponding path program 1 times [2022-02-20 23:55:07,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:07,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119270712] [2022-02-20 23:55:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:07,987 INFO L290 TraceCheckUtils]: 0: Hoare triple {6856#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {6856#true} is VALID [2022-02-20 23:55:07,987 INFO L290 TraceCheckUtils]: 1: Hoare triple {6856#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,988 INFO L290 TraceCheckUtils]: 3: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,988 INFO L290 TraceCheckUtils]: 4: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,989 INFO L290 TraceCheckUtils]: 5: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,989 INFO L290 TraceCheckUtils]: 6: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:07,990 INFO L290 TraceCheckUtils]: 7: Hoare triple {6858#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:07,990 INFO L290 TraceCheckUtils]: 8: Hoare triple {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:07,991 INFO L290 TraceCheckUtils]: 9: Hoare triple {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:07,991 INFO L290 TraceCheckUtils]: 10: Hoare triple {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:07,992 INFO L290 TraceCheckUtils]: 11: Hoare triple {6859#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:07,992 INFO L290 TraceCheckUtils]: 12: Hoare triple {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:07,993 INFO L290 TraceCheckUtils]: 13: Hoare triple {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:07,994 INFO L290 TraceCheckUtils]: 14: Hoare triple {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:07,994 INFO L290 TraceCheckUtils]: 15: Hoare triple {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:07,995 INFO L290 TraceCheckUtils]: 16: Hoare triple {6860#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {6861#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:07,995 INFO L290 TraceCheckUtils]: 17: Hoare triple {6861#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {6862#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not |ULTIMATE.start_main_#t~short15#1|))} is VALID [2022-02-20 23:55:07,996 INFO L290 TraceCheckUtils]: 18: Hoare triple {6862#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not |ULTIMATE.start_main_#t~short15#1|))} main_#t~short18#1 := main_#t~short15#1; {6863#(and (not |ULTIMATE.start_main_#t~short18#1|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,996 INFO L290 TraceCheckUtils]: 19: Hoare triple {6863#(and (not |ULTIMATE.start_main_#t~short18#1|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume main_#t~short18#1; {6857#false} is VALID [2022-02-20 23:55:07,996 INFO L290 TraceCheckUtils]: 20: Hoare triple {6857#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {6857#false} is VALID [2022-02-20 23:55:07,996 INFO L290 TraceCheckUtils]: 21: Hoare triple {6857#false} assume !(4 + main_#t~mem16#1.offset <= #length[main_#t~mem16#1.base] && 0 <= main_#t~mem16#1.offset); {6857#false} is VALID [2022-02-20 23:55:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:07,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:07,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119270712] [2022-02-20 23:55:07,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119270712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:07,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:07,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:55:07,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188023049] [2022-02-20 23:55:07,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:07,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:07,998 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:07,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,013 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:08,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:55:08,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:55:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:55:08,014 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:08,861 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2022-02-20 23:55:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:55:08,861 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:08,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 204 transitions. [2022-02-20 23:55:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 204 transitions. [2022-02-20 23:55:08,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 204 transitions. [2022-02-20 23:55:09,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,017 INFO L225 Difference]: With dead ends: 224 [2022-02-20 23:55:09,018 INFO L226 Difference]: Without dead ends: 224 [2022-02-20 23:55:09,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:55:09,018 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 256 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:09,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 390 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:09,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-02-20 23:55:09,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 144. [2022-02-20 23:55:09,020 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:09,021 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,021 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,021 INFO L87 Difference]: Start difference. First operand 224 states. Second operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,024 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2022-02-20 23:55:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2022-02-20 23:55:09,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,025 INFO L74 IsIncluded]: Start isIncluded. First operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 224 states. [2022-02-20 23:55:09,025 INFO L87 Difference]: Start difference. First operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 224 states. [2022-02-20 23:55:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,028 INFO L93 Difference]: Finished difference Result 224 states and 257 transitions. [2022-02-20 23:55:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2022-02-20 23:55:09,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,029 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:09,029 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 143 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2022-02-20 23:55:09,031 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 22 [2022-02-20 23:55:09,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:09,031 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2022-02-20 23:55:09,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2022-02-20 23:55:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:55:09,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:09,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:09,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:55:09,032 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:09,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1318553294, now seen corresponding path program 1 times [2022-02-20 23:55:09,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:09,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438267908] [2022-02-20 23:55:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 0: Hoare triple {7694#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 1: Hoare triple {7694#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 2: Hoare triple {7694#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 3: Hoare triple {7694#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 4: Hoare triple {7694#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 5: Hoare triple {7694#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {7694#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 7: Hoare triple {7694#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {7694#true} is VALID [2022-02-20 23:55:09,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {7694#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7694#true} is VALID [2022-02-20 23:55:09,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {7694#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7694#true} is VALID [2022-02-20 23:55:09,060 INFO L290 TraceCheckUtils]: 10: Hoare triple {7694#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {7694#true} is VALID [2022-02-20 23:55:09,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {7694#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7694#true} is VALID [2022-02-20 23:55:09,061 INFO L290 TraceCheckUtils]: 12: Hoare triple {7694#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {7694#true} is VALID [2022-02-20 23:55:09,061 INFO L290 TraceCheckUtils]: 13: Hoare triple {7694#true} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 14: Hoare triple {7694#true} main_#t~short15#1 := 2 == main_#t~mem13#1; {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {7694#true} assume !main_#t~short15#1; {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 16: Hoare triple {7694#true} main_#t~short18#1 := main_#t~short15#1; {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 17: Hoare triple {7694#true} assume !main_#t~short18#1; {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 18: Hoare triple {7694#true} main_#t~short20#1 := main_#t~short18#1; {7694#true} is VALID [2022-02-20 23:55:09,062 INFO L290 TraceCheckUtils]: 19: Hoare triple {7694#true} assume main_#t~short20#1; {7696#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:09,063 INFO L290 TraceCheckUtils]: 20: Hoare triple {7696#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {7695#false} is VALID [2022-02-20 23:55:09,063 INFO L290 TraceCheckUtils]: 21: Hoare triple {7695#false} assume !false; {7695#false} is VALID [2022-02-20 23:55:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:09,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:09,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438267908] [2022-02-20 23:55:09,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438267908] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:09,063 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:09,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:09,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149561556] [2022-02-20 23:55:09,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:09,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:09,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:09,064 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,076 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:09,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:09,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:09,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:09,077 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,186 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2022-02-20 23:55:09,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:09,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2022-02-20 23:55:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2022-02-20 23:55:09,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 110 transitions. [2022-02-20 23:55:09,276 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,277 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:55:09,277 INFO L226 Difference]: Without dead ends: 146 [2022-02-20 23:55:09,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:09,278 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:09,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:09,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-20 23:55:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2022-02-20 23:55:09,280 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:09,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,281 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,281 INFO L87 Difference]: Start difference. First operand 146 states. Second operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,290 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2022-02-20 23:55:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2022-02-20 23:55:09,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,291 INFO L74 IsIncluded]: Start isIncluded. First operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:55:09,291 INFO L87 Difference]: Start difference. First operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:55:09,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,293 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2022-02-20 23:55:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2022-02-20 23:55:09,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,293 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:09,293 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 145 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2022-02-20 23:55:09,295 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 22 [2022-02-20 23:55:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:09,295 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2022-02-20 23:55:09,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2022-02-20 23:55:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:55:09,299 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:09,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:09,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:55:09,299 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:09,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:09,300 INFO L85 PathProgramCache]: Analyzing trace with hash 116002131, now seen corresponding path program 1 times [2022-02-20 23:55:09,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:09,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302686738] [2022-02-20 23:55:09,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:09,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:09,410 INFO L290 TraceCheckUtils]: 0: Hoare triple {8283#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {8283#true} is VALID [2022-02-20 23:55:09,410 INFO L290 TraceCheckUtils]: 1: Hoare triple {8283#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,411 INFO L290 TraceCheckUtils]: 3: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,411 INFO L290 TraceCheckUtils]: 4: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,412 INFO L290 TraceCheckUtils]: 5: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,412 INFO L290 TraceCheckUtils]: 6: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,413 INFO L290 TraceCheckUtils]: 7: Hoare triple {8285#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:09,413 INFO L290 TraceCheckUtils]: 8: Hoare triple {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:09,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:09,414 INFO L290 TraceCheckUtils]: 10: Hoare triple {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:09,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {8286#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,416 INFO L290 TraceCheckUtils]: 13: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,417 INFO L290 TraceCheckUtils]: 14: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,417 INFO L290 TraceCheckUtils]: 15: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short15#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,418 INFO L290 TraceCheckUtils]: 16: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short18#1 := main_#t~short15#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,422 INFO L290 TraceCheckUtils]: 17: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short18#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,423 INFO L290 TraceCheckUtils]: 18: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,423 INFO L290 TraceCheckUtils]: 19: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:09,424 INFO L290 TraceCheckUtils]: 20: Hoare triple {8287#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {8288#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:55:09,424 INFO L290 TraceCheckUtils]: 21: Hoare triple {8288#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {8289#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:09,425 INFO L290 TraceCheckUtils]: 22: Hoare triple {8289#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {8284#false} is VALID [2022-02-20 23:55:09,425 INFO L290 TraceCheckUtils]: 23: Hoare triple {8284#false} assume !false; {8284#false} is VALID [2022-02-20 23:55:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:09,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:09,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302686738] [2022-02-20 23:55:09,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302686738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:09,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:09,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:55:09,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645998744] [2022-02-20 23:55:09,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:09,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:09,426 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:09,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,454 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:55:09,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:55:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:09,455 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,285 INFO L93 Difference]: Finished difference Result 219 states and 250 transitions. [2022-02-20 23:55:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:55:10,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 196 transitions. [2022-02-20 23:55:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 196 transitions. [2022-02-20 23:55:10,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 196 transitions. [2022-02-20 23:55:10,468 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 196 edges. 196 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,470 INFO L225 Difference]: With dead ends: 219 [2022-02-20 23:55:10,470 INFO L226 Difference]: Without dead ends: 219 [2022-02-20 23:55:10,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:55:10,471 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 223 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:10,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 353 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:10,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-02-20 23:55:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 152. [2022-02-20 23:55:10,473 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:10,473 INFO L82 GeneralOperation]: Start isEquivalent. First operand 219 states. Second operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,473 INFO L74 IsIncluded]: Start isIncluded. First operand 219 states. Second operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,473 INFO L87 Difference]: Start difference. First operand 219 states. Second operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,476 INFO L93 Difference]: Finished difference Result 219 states and 250 transitions. [2022-02-20 23:55:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 250 transitions. [2022-02-20 23:55:10,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,476 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,476 INFO L74 IsIncluded]: Start isIncluded. First operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 219 states. [2022-02-20 23:55:10,477 INFO L87 Difference]: Start difference. First operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 219 states. [2022-02-20 23:55:10,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,479 INFO L93 Difference]: Finished difference Result 219 states and 250 transitions. [2022-02-20 23:55:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 250 transitions. [2022-02-20 23:55:10,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:10,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.372093023255814) internal successors, (177), 151 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 177 transitions. [2022-02-20 23:55:10,481 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 177 transitions. Word has length 24 [2022-02-20 23:55:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:10,481 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 177 transitions. [2022-02-20 23:55:10,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2022-02-20 23:55:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:55:10,482 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:10,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:10,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:55:10,482 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:10,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:10,482 INFO L85 PathProgramCache]: Analyzing trace with hash 913286409, now seen corresponding path program 1 times [2022-02-20 23:55:10,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:10,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728187395] [2022-02-20 23:55:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:10,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,540 INFO L290 TraceCheckUtils]: 0: Hoare triple {9113#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 1: Hoare triple {9113#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 2: Hoare triple {9113#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 3: Hoare triple {9113#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 4: Hoare triple {9113#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 5: Hoare triple {9113#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 6: Hoare triple {9113#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 7: Hoare triple {9113#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 8: Hoare triple {9113#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9113#true} is VALID [2022-02-20 23:55:10,541 INFO L290 TraceCheckUtils]: 9: Hoare triple {9113#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 10: Hoare triple {9113#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 11: Hoare triple {9113#true} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 12: Hoare triple {9113#true} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 13: Hoare triple {9113#true} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 14: Hoare triple {9113#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 15: Hoare triple {9113#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {9113#true} is VALID [2022-02-20 23:55:10,542 INFO L290 TraceCheckUtils]: 16: Hoare triple {9113#true} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {9113#true} is VALID [2022-02-20 23:55:10,543 INFO L290 TraceCheckUtils]: 17: Hoare triple {9113#true} assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1; {9113#true} is VALID [2022-02-20 23:55:10,543 INFO L290 TraceCheckUtils]: 18: Hoare triple {9113#true} SUMMARY for call write~int(2, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-10 {9113#true} is VALID [2022-02-20 23:55:10,544 INFO L290 TraceCheckUtils]: 19: Hoare triple {9113#true} call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(12); {9115#(= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc10#1.base|))} is VALID [2022-02-20 23:55:10,544 INFO L290 TraceCheckUtils]: 20: Hoare triple {9115#(= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc10#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-12 {9116#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:10,545 INFO L290 TraceCheckUtils]: 21: Hoare triple {9116#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset; {9116#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:10,545 INFO L290 TraceCheckUtils]: 22: Hoare triple {9116#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-14 {9117#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:55:10,545 INFO L290 TraceCheckUtils]: 23: Hoare triple {9117#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} assume !(1 == #valid[main_#t~mem11#1.base]); {9114#false} is VALID [2022-02-20 23:55:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:10,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:10,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728187395] [2022-02-20 23:55:10,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728187395] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:10,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:10,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:10,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510502110] [2022-02-20 23:55:10,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:10,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:10,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:10,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,560 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:10,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:10,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:10,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:10,561 INFO L87 Difference]: Start difference. First operand 152 states and 177 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,871 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions. [2022-02-20 23:55:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 116 transitions. [2022-02-20 23:55:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 116 transitions. [2022-02-20 23:55:10,872 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 116 transitions. [2022-02-20 23:55:10,946 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,947 INFO L225 Difference]: With dead ends: 158 [2022-02-20 23:55:10,947 INFO L226 Difference]: Without dead ends: 158 [2022-02-20 23:55:10,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:10,948 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 8 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:10,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 286 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:10,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-02-20 23:55:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 151. [2022-02-20 23:55:10,950 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:10,950 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,950 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,950 INFO L87 Difference]: Start difference. First operand 158 states. Second operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,952 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions. [2022-02-20 23:55:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2022-02-20 23:55:10,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,953 INFO L74 IsIncluded]: Start isIncluded. First operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 158 states. [2022-02-20 23:55:10,955 INFO L87 Difference]: Start difference. First operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 158 states. [2022-02-20 23:55:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,957 INFO L93 Difference]: Finished difference Result 158 states and 184 transitions. [2022-02-20 23:55:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2022-02-20 23:55:10,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,958 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,958 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:10,958 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 150 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2022-02-20 23:55:10,960 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 24 [2022-02-20 23:55:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:10,960 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2022-02-20 23:55:10,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2022-02-20 23:55:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:55:10,963 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:10,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:10,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:55:10,963 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:10,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash 913286410, now seen corresponding path program 1 times [2022-02-20 23:55:10,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:10,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294633612] [2022-02-20 23:55:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:11,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {9749#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {9749#true} is VALID [2022-02-20 23:55:11,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {9749#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9749#true} is VALID [2022-02-20 23:55:11,053 INFO L290 TraceCheckUtils]: 2: Hoare triple {9749#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {9749#true} is VALID [2022-02-20 23:55:11,053 INFO L290 TraceCheckUtils]: 3: Hoare triple {9749#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9749#true} is VALID [2022-02-20 23:55:11,058 INFO L290 TraceCheckUtils]: 4: Hoare triple {9749#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {9749#true} is VALID [2022-02-20 23:55:11,058 INFO L290 TraceCheckUtils]: 5: Hoare triple {9749#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {9749#true} is VALID [2022-02-20 23:55:11,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {9749#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {9749#true} is VALID [2022-02-20 23:55:11,060 INFO L290 TraceCheckUtils]: 7: Hoare triple {9749#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {9749#true} is VALID [2022-02-20 23:55:11,062 INFO L290 TraceCheckUtils]: 8: Hoare triple {9749#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9749#true} is VALID [2022-02-20 23:55:11,063 INFO L290 TraceCheckUtils]: 9: Hoare triple {9749#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {9749#true} is VALID [2022-02-20 23:55:11,064 INFO L290 TraceCheckUtils]: 10: Hoare triple {9749#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {9749#true} is VALID [2022-02-20 23:55:11,064 INFO L290 TraceCheckUtils]: 11: Hoare triple {9749#true} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {9749#true} is VALID [2022-02-20 23:55:11,064 INFO L290 TraceCheckUtils]: 12: Hoare triple {9749#true} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {9749#true} is VALID [2022-02-20 23:55:11,065 INFO L290 TraceCheckUtils]: 13: Hoare triple {9749#true} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {9749#true} is VALID [2022-02-20 23:55:11,066 INFO L290 TraceCheckUtils]: 14: Hoare triple {9749#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {9749#true} is VALID [2022-02-20 23:55:11,067 INFO L290 TraceCheckUtils]: 15: Hoare triple {9749#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {9749#true} is VALID [2022-02-20 23:55:11,067 INFO L290 TraceCheckUtils]: 16: Hoare triple {9749#true} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {9749#true} is VALID [2022-02-20 23:55:11,067 INFO L290 TraceCheckUtils]: 17: Hoare triple {9749#true} assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1; {9749#true} is VALID [2022-02-20 23:55:11,067 INFO L290 TraceCheckUtils]: 18: Hoare triple {9749#true} SUMMARY for call write~int(2, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-10 {9749#true} is VALID [2022-02-20 23:55:11,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {9749#true} call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnHeap(12); {9751#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc10#1.base|) 12) (= |ULTIMATE.start_main_#t~malloc10#1.offset| 0))} is VALID [2022-02-20 23:55:11,071 INFO L290 TraceCheckUtils]: 20: Hoare triple {9751#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc10#1.base|) 12) (= |ULTIMATE.start_main_#t~malloc10#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-12 {9752#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:11,072 INFO L290 TraceCheckUtils]: 21: Hoare triple {9752#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} havoc main_#t~malloc10#1.base, main_#t~malloc10#1.offset; {9752#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:11,072 INFO L290 TraceCheckUtils]: 22: Hoare triple {9752#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-14 {9753#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) 0))} is VALID [2022-02-20 23:55:11,073 INFO L290 TraceCheckUtils]: 23: Hoare triple {9753#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) 0))} assume !(4 + main_#t~mem11#1.offset <= #length[main_#t~mem11#1.base] && 0 <= main_#t~mem11#1.offset); {9750#false} is VALID [2022-02-20 23:55:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:11,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:11,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294633612] [2022-02-20 23:55:11,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294633612] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:11,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:11,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:11,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195396663] [2022-02-20 23:55:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:11,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:11,075 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:11,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,090 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:11,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:11,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:11,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:11,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:11,091 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,397 INFO L93 Difference]: Finished difference Result 150 states and 175 transitions. [2022-02-20 23:55:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:11,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 107 transitions. [2022-02-20 23:55:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 107 transitions. [2022-02-20 23:55:11,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 107 transitions. [2022-02-20 23:55:11,464 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:11,465 INFO L225 Difference]: With dead ends: 150 [2022-02-20 23:55:11,466 INFO L226 Difference]: Without dead ends: 150 [2022-02-20 23:55:11,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:11,466 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:11,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 275 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:11,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-02-20 23:55:11,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-02-20 23:55:11,468 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:11,468 INFO L82 GeneralOperation]: Start isEquivalent. First operand 150 states. Second operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,468 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,469 INFO L87 Difference]: Start difference. First operand 150 states. Second operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,470 INFO L93 Difference]: Finished difference Result 150 states and 175 transitions. [2022-02-20 23:55:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2022-02-20 23:55:11,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:11,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:11,471 INFO L74 IsIncluded]: Start isIncluded. First operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 150 states. [2022-02-20 23:55:11,471 INFO L87 Difference]: Start difference. First operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 150 states. [2022-02-20 23:55:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,473 INFO L93 Difference]: Finished difference Result 150 states and 175 transitions. [2022-02-20 23:55:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2022-02-20 23:55:11,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:11,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:11,474 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:11,474 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 149 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2022-02-20 23:55:11,476 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 24 [2022-02-20 23:55:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:11,476 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2022-02-20 23:55:11,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2022-02-20 23:55:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:11,477 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:11,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:11,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-20 23:55:11,477 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:11,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:11,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1848177146, now seen corresponding path program 1 times [2022-02-20 23:55:11,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:11,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003575405] [2022-02-20 23:55:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:11,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:11,555 INFO L290 TraceCheckUtils]: 0: Hoare triple {10360#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {10360#true} is VALID [2022-02-20 23:55:11,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {10360#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {10360#true} is VALID [2022-02-20 23:55:11,555 INFO L290 TraceCheckUtils]: 2: Hoare triple {10360#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:11,556 INFO L290 TraceCheckUtils]: 3: Hoare triple {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:11,556 INFO L290 TraceCheckUtils]: 4: Hoare triple {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:11,556 INFO L290 TraceCheckUtils]: 5: Hoare triple {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:11,557 INFO L290 TraceCheckUtils]: 6: Hoare triple {10362#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {10363#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1))} is VALID [2022-02-20 23:55:11,558 INFO L290 TraceCheckUtils]: 7: Hoare triple {10363#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {10364#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:11,558 INFO L290 TraceCheckUtils]: 8: Hoare triple {10364#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10364#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:11,559 INFO L290 TraceCheckUtils]: 9: Hoare triple {10364#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {10365#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:11,560 INFO L290 TraceCheckUtils]: 10: Hoare triple {10365#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L998-6 {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,560 INFO L290 TraceCheckUtils]: 11: Hoare triple {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,560 INFO L290 TraceCheckUtils]: 12: Hoare triple {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,561 INFO L290 TraceCheckUtils]: 13: Hoare triple {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,561 INFO L290 TraceCheckUtils]: 14: Hoare triple {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,562 INFO L290 TraceCheckUtils]: 15: Hoare triple {10366#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,562 INFO L290 TraceCheckUtils]: 16: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,562 INFO L290 TraceCheckUtils]: 17: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,563 INFO L290 TraceCheckUtils]: 18: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short15#1 := 2 == main_#t~mem13#1; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,563 INFO L290 TraceCheckUtils]: 19: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short15#1; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,563 INFO L290 TraceCheckUtils]: 20: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,564 INFO L290 TraceCheckUtils]: 21: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,564 INFO L290 TraceCheckUtils]: 22: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short18#1 := main_#t~short15#1; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,564 INFO L290 TraceCheckUtils]: 23: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short18#1; {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:11,565 INFO L290 TraceCheckUtils]: 24: Hoare triple {10367#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {10368#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:55:11,565 INFO L290 TraceCheckUtils]: 25: Hoare triple {10368#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {10361#false} is VALID [2022-02-20 23:55:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:11,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:11,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003575405] [2022-02-20 23:55:11,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003575405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:11,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:11,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:55:11,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321244489] [2022-02-20 23:55:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:11,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:11,567 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:11,567 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:11,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:55:11,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:55:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:55:11,588 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:12,584 INFO L93 Difference]: Finished difference Result 309 states and 356 transitions. [2022-02-20 23:55:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:55:12,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:12,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 292 transitions. [2022-02-20 23:55:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 292 transitions. [2022-02-20 23:55:12,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 292 transitions. [2022-02-20 23:55:12,798 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 292 edges. 292 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:12,801 INFO L225 Difference]: With dead ends: 309 [2022-02-20 23:55:12,802 INFO L226 Difference]: Without dead ends: 309 [2022-02-20 23:55:12,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:55:12,802 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 344 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:12,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 449 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:12,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-02-20 23:55:12,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 163. [2022-02-20 23:55:12,805 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:12,805 INFO L82 GeneralOperation]: Start isEquivalent. First operand 309 states. Second operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,805 INFO L74 IsIncluded]: Start isIncluded. First operand 309 states. Second operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,806 INFO L87 Difference]: Start difference. First operand 309 states. Second operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:12,810 INFO L93 Difference]: Finished difference Result 309 states and 356 transitions. [2022-02-20 23:55:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 356 transitions. [2022-02-20 23:55:12,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:12,811 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:12,811 INFO L74 IsIncluded]: Start isIncluded. First operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 309 states. [2022-02-20 23:55:12,812 INFO L87 Difference]: Start difference. First operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 309 states. [2022-02-20 23:55:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:12,816 INFO L93 Difference]: Finished difference Result 309 states and 356 transitions. [2022-02-20 23:55:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 356 transitions. [2022-02-20 23:55:12,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:12,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:12,817 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:12,817 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 142 states have (on average 1.352112676056338) internal successors, (192), 162 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2022-02-20 23:55:12,819 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 26 [2022-02-20 23:55:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:12,819 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2022-02-20 23:55:12,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2022-02-20 23:55:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:12,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:12,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:12,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-20 23:55:12,820 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr47REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:12,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:12,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1848177147, now seen corresponding path program 1 times [2022-02-20 23:55:12,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:12,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621266769] [2022-02-20 23:55:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:12,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:12,991 INFO L290 TraceCheckUtils]: 0: Hoare triple {11487#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {11487#true} is VALID [2022-02-20 23:55:12,992 INFO L290 TraceCheckUtils]: 1: Hoare triple {11487#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11489#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:12,992 INFO L290 TraceCheckUtils]: 2: Hoare triple {11489#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:12,993 INFO L290 TraceCheckUtils]: 3: Hoare triple {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:12,993 INFO L290 TraceCheckUtils]: 4: Hoare triple {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:12,994 INFO L290 TraceCheckUtils]: 5: Hoare triple {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:12,995 INFO L290 TraceCheckUtils]: 6: Hoare triple {11490#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {11491#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.offset|))} is VALID [2022-02-20 23:55:12,996 INFO L290 TraceCheckUtils]: 7: Hoare triple {11491#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.offset|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {11492#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:12,997 INFO L290 TraceCheckUtils]: 8: Hoare triple {11492#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11492#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:12,997 INFO L290 TraceCheckUtils]: 9: Hoare triple {11492#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {11493#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:12,998 INFO L290 TraceCheckUtils]: 10: Hoare triple {11493#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L998-6 {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:13,004 INFO L290 TraceCheckUtils]: 11: Hoare triple {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:13,005 INFO L290 TraceCheckUtils]: 12: Hoare triple {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:13,006 INFO L290 TraceCheckUtils]: 13: Hoare triple {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:13,007 INFO L290 TraceCheckUtils]: 14: Hoare triple {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:13,007 INFO L290 TraceCheckUtils]: 15: Hoare triple {11494#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,008 INFO L290 TraceCheckUtils]: 16: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,008 INFO L290 TraceCheckUtils]: 17: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,009 INFO L290 TraceCheckUtils]: 18: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} main_#t~short15#1 := 2 == main_#t~mem13#1; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,009 INFO L290 TraceCheckUtils]: 19: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} assume main_#t~short15#1; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,010 INFO L290 TraceCheckUtils]: 20: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {11496#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,011 INFO L290 TraceCheckUtils]: 21: Hoare triple {11496#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,011 INFO L290 TraceCheckUtils]: 22: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} main_#t~short18#1 := main_#t~short15#1; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,012 INFO L290 TraceCheckUtils]: 23: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} assume main_#t~short18#1; {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:13,012 INFO L290 TraceCheckUtils]: 24: Hoare triple {11495#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {11497#(and (= (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) 12) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} is VALID [2022-02-20 23:55:13,013 INFO L290 TraceCheckUtils]: 25: Hoare triple {11497#(and (= (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) 12) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} assume !(4 + main_#t~mem16#1.offset <= #length[main_#t~mem16#1.base] && 0 <= main_#t~mem16#1.offset); {11488#false} is VALID [2022-02-20 23:55:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:13,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:13,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621266769] [2022-02-20 23:55:13,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621266769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:13,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:13,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-20 23:55:13,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682915479] [2022-02-20 23:55:13,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:13,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:13,014 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:13,015 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,039 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:13,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:13,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:13,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:13,040 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,256 INFO L93 Difference]: Finished difference Result 252 states and 290 transitions. [2022-02-20 23:55:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 23:55:14,256 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 218 transitions. [2022-02-20 23:55:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 218 transitions. [2022-02-20 23:55:14,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 218 transitions. [2022-02-20 23:55:14,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 218 edges. 218 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,391 INFO L225 Difference]: With dead ends: 252 [2022-02-20 23:55:14,391 INFO L226 Difference]: Without dead ends: 252 [2022-02-20 23:55:14,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-02-20 23:55:14,392 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 313 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:14,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 539 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:55:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-02-20 23:55:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 163. [2022-02-20 23:55:14,395 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:14,395 INFO L82 GeneralOperation]: Start isEquivalent. First operand 252 states. Second operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,395 INFO L74 IsIncluded]: Start isIncluded. First operand 252 states. Second operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,396 INFO L87 Difference]: Start difference. First operand 252 states. Second operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,399 INFO L93 Difference]: Finished difference Result 252 states and 290 transitions. [2022-02-20 23:55:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 290 transitions. [2022-02-20 23:55:14,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,400 INFO L74 IsIncluded]: Start isIncluded. First operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 252 states. [2022-02-20 23:55:14,400 INFO L87 Difference]: Start difference. First operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 252 states. [2022-02-20 23:55:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,419 INFO L93 Difference]: Finished difference Result 252 states and 290 transitions. [2022-02-20 23:55:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 290 transitions. [2022-02-20 23:55:14,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,420 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,420 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:14,420 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 142 states have (on average 1.3450704225352113) internal successors, (191), 162 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 191 transitions. [2022-02-20 23:55:14,423 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 191 transitions. Word has length 26 [2022-02-20 23:55:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:14,423 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 191 transitions. [2022-02-20 23:55:14,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 191 transitions. [2022-02-20 23:55:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:14,424 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:14,424 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:14,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:55:14,425 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:14,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:14,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1639700775, now seen corresponding path program 1 times [2022-02-20 23:55:14,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:14,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708671743] [2022-02-20 23:55:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,469 INFO L290 TraceCheckUtils]: 0: Hoare triple {12437#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 1: Hoare triple {12437#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {12437#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 3: Hoare triple {12437#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 4: Hoare triple {12437#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {12437#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {12437#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {12437#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 8: Hoare triple {12437#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {12437#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {12437#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 11: Hoare triple {12437#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 12: Hoare triple {12437#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {12437#true} is VALID [2022-02-20 23:55:14,470 INFO L290 TraceCheckUtils]: 13: Hoare triple {12437#true} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {12437#true} is VALID [2022-02-20 23:55:14,471 INFO L290 TraceCheckUtils]: 14: Hoare triple {12437#true} main_#t~short15#1 := 2 == main_#t~mem13#1; {12437#true} is VALID [2022-02-20 23:55:14,471 INFO L290 TraceCheckUtils]: 15: Hoare triple {12437#true} assume !main_#t~short15#1; {12437#true} is VALID [2022-02-20 23:55:14,471 INFO L290 TraceCheckUtils]: 16: Hoare triple {12437#true} main_#t~short18#1 := main_#t~short15#1; {12437#true} is VALID [2022-02-20 23:55:14,471 INFO L290 TraceCheckUtils]: 17: Hoare triple {12437#true} assume !main_#t~short18#1; {12439#(not |ULTIMATE.start_main_#t~short18#1|)} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 18: Hoare triple {12439#(not |ULTIMATE.start_main_#t~short18#1|)} main_#t~short20#1 := main_#t~short18#1; {12440#(not |ULTIMATE.start_main_#t~short20#1|)} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 19: Hoare triple {12440#(not |ULTIMATE.start_main_#t~short20#1|)} assume main_#t~short20#1; {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 20: Hoare triple {12438#false} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 21: Hoare triple {12438#false} goto; {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 22: Hoare triple {12438#false} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 23: Hoare triple {12438#false} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 24: Hoare triple {12438#false} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {12438#false} is VALID [2022-02-20 23:55:14,472 INFO L290 TraceCheckUtils]: 25: Hoare triple {12438#false} assume !(1 == #valid[main_~x~0#1.base]); {12438#false} is VALID [2022-02-20 23:55:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:14,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:14,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708671743] [2022-02-20 23:55:14,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708671743] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:14,473 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:14,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:14,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192877672] [2022-02-20 23:55:14,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:14,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:14,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:14,474 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,485 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:14,485 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:14,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:14,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:14,486 INFO L87 Difference]: Start difference. First operand 163 states and 191 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,597 INFO L93 Difference]: Finished difference Result 175 states and 204 transitions. [2022-02-20 23:55:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:14,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2022-02-20 23:55:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2022-02-20 23:55:14,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 114 transitions. [2022-02-20 23:55:14,666 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,668 INFO L225 Difference]: With dead ends: 175 [2022-02-20 23:55:14,668 INFO L226 Difference]: Without dead ends: 175 [2022-02-20 23:55:14,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:14,669 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 10 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:14,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 299 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:14,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-02-20 23:55:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2022-02-20 23:55:14,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:14,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 175 states. Second operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,671 INFO L74 IsIncluded]: Start isIncluded. First operand 175 states. Second operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,671 INFO L87 Difference]: Start difference. First operand 175 states. Second operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,673 INFO L93 Difference]: Finished difference Result 175 states and 204 transitions. [2022-02-20 23:55:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2022-02-20 23:55:14,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,673 INFO L74 IsIncluded]: Start isIncluded. First operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 175 states. [2022-02-20 23:55:14,673 INFO L87 Difference]: Start difference. First operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 175 states. [2022-02-20 23:55:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,676 INFO L93 Difference]: Finished difference Result 175 states and 204 transitions. [2022-02-20 23:55:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2022-02-20 23:55:14,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,676 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:14,676 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 166 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 194 transitions. [2022-02-20 23:55:14,678 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 194 transitions. Word has length 26 [2022-02-20 23:55:14,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:14,679 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 194 transitions. [2022-02-20 23:55:14,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 194 transitions. [2022-02-20 23:55:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:55:14,679 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:14,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:14,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-20 23:55:14,679 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:14,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1067960075, now seen corresponding path program 1 times [2022-02-20 23:55:14,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:14,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773775438] [2022-02-20 23:55:14,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,799 INFO L290 TraceCheckUtils]: 0: Hoare triple {13137#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {13137#true} is VALID [2022-02-20 23:55:14,799 INFO L290 TraceCheckUtils]: 1: Hoare triple {13137#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13137#true} is VALID [2022-02-20 23:55:14,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {13137#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,800 INFO L290 TraceCheckUtils]: 3: Hoare triple {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,801 INFO L290 TraceCheckUtils]: 4: Hoare triple {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,801 INFO L290 TraceCheckUtils]: 5: Hoare triple {13139#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {13140#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,802 INFO L290 TraceCheckUtils]: 6: Hoare triple {13140#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {13141#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:14,803 INFO L290 TraceCheckUtils]: 7: Hoare triple {13141#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {13142#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:14,803 INFO L290 TraceCheckUtils]: 8: Hoare triple {13142#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13142#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:14,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {13142#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {13143#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:14,804 INFO L290 TraceCheckUtils]: 10: Hoare triple {13143#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L998-6 {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:14,805 INFO L290 TraceCheckUtils]: 11: Hoare triple {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:14,805 INFO L290 TraceCheckUtils]: 12: Hoare triple {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:14,806 INFO L290 TraceCheckUtils]: 13: Hoare triple {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:14,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:14,806 INFO L290 TraceCheckUtils]: 15: Hoare triple {13144#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13145#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:55:14,807 INFO L290 TraceCheckUtils]: 16: Hoare triple {13145#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {13145#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:55:14,808 INFO L290 TraceCheckUtils]: 17: Hoare triple {13145#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {13146#(= 2 |ULTIMATE.start_main_#t~mem13#1|)} is VALID [2022-02-20 23:55:14,808 INFO L290 TraceCheckUtils]: 18: Hoare triple {13146#(= 2 |ULTIMATE.start_main_#t~mem13#1|)} main_#t~short15#1 := 2 == main_#t~mem13#1; {13147#|ULTIMATE.start_main_#t~short15#1|} is VALID [2022-02-20 23:55:14,808 INFO L290 TraceCheckUtils]: 19: Hoare triple {13147#|ULTIMATE.start_main_#t~short15#1|} assume !main_#t~short15#1; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 20: Hoare triple {13138#false} main_#t~short18#1 := main_#t~short15#1; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 21: Hoare triple {13138#false} assume !main_#t~short18#1; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 22: Hoare triple {13138#false} main_#t~short20#1 := main_#t~short18#1; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 23: Hoare triple {13138#false} assume !main_#t~short20#1; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 24: Hoare triple {13138#false} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 25: Hoare triple {13138#false} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {13138#false} is VALID [2022-02-20 23:55:14,809 INFO L290 TraceCheckUtils]: 26: Hoare triple {13138#false} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {13138#false} is VALID [2022-02-20 23:55:14,810 INFO L290 TraceCheckUtils]: 27: Hoare triple {13138#false} assume !false; {13138#false} is VALID [2022-02-20 23:55:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:14,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:14,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773775438] [2022-02-20 23:55:14,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773775438] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:14,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:14,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-20 23:55:14,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176516382] [2022-02-20 23:55:14,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:14,811 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:14,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:14,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:14,833 INFO L87 Difference]: Start difference. First operand 167 states and 194 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,789 INFO L93 Difference]: Finished difference Result 247 states and 277 transitions. [2022-02-20 23:55:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:55:15,789 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 205 transitions. [2022-02-20 23:55:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 205 transitions. [2022-02-20 23:55:15,792 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 205 transitions. [2022-02-20 23:55:15,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 205 edges. 205 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:15,955 INFO L225 Difference]: With dead ends: 247 [2022-02-20 23:55:15,955 INFO L226 Difference]: Without dead ends: 247 [2022-02-20 23:55:15,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:55:15,955 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 264 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:15,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 534 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-20 23:55:15,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 167. [2022-02-20 23:55:15,958 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:15,958 INFO L82 GeneralOperation]: Start isEquivalent. First operand 247 states. Second operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,958 INFO L74 IsIncluded]: Start isIncluded. First operand 247 states. Second operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,958 INFO L87 Difference]: Start difference. First operand 247 states. Second operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,963 INFO L93 Difference]: Finished difference Result 247 states and 277 transitions. [2022-02-20 23:55:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 277 transitions. [2022-02-20 23:55:15,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:15,963 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:15,964 INFO L74 IsIncluded]: Start isIncluded. First operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:15,964 INFO L87 Difference]: Start difference. First operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:15,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,971 INFO L93 Difference]: Finished difference Result 247 states and 277 transitions. [2022-02-20 23:55:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 277 transitions. [2022-02-20 23:55:15,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:15,971 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:15,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:15,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 146 states have (on average 1.321917808219178) internal successors, (193), 166 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 193 transitions. [2022-02-20 23:55:15,987 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 193 transitions. Word has length 28 [2022-02-20 23:55:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:15,987 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 193 transitions. [2022-02-20 23:55:15,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 193 transitions. [2022-02-20 23:55:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:55:15,988 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:15,989 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:15,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-20 23:55:15,989 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1161159390, now seen corresponding path program 1 times [2022-02-20 23:55:15,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:15,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325500518] [2022-02-20 23:55:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:16,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {14080#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {14080#true} is VALID [2022-02-20 23:55:16,053 INFO L290 TraceCheckUtils]: 1: Hoare triple {14080#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {14080#true} is VALID [2022-02-20 23:55:16,054 INFO L290 TraceCheckUtils]: 2: Hoare triple {14080#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,055 INFO L290 TraceCheckUtils]: 3: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,056 INFO L290 TraceCheckUtils]: 4: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,060 INFO L290 TraceCheckUtils]: 7: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,060 INFO L290 TraceCheckUtils]: 8: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,061 INFO L290 TraceCheckUtils]: 10: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,062 INFO L290 TraceCheckUtils]: 11: Hoare triple {14082#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,062 INFO L290 TraceCheckUtils]: 12: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,063 INFO L290 TraceCheckUtils]: 13: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,063 INFO L290 TraceCheckUtils]: 14: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,063 INFO L290 TraceCheckUtils]: 15: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short15#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,064 INFO L290 TraceCheckUtils]: 16: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short18#1 := main_#t~short15#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,064 INFO L290 TraceCheckUtils]: 17: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short18#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,065 INFO L290 TraceCheckUtils]: 18: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short20#1 := main_#t~short18#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,065 INFO L290 TraceCheckUtils]: 19: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short20#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,065 INFO L290 TraceCheckUtils]: 20: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,066 INFO L290 TraceCheckUtils]: 22: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,067 INFO L290 TraceCheckUtils]: 23: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,067 INFO L290 TraceCheckUtils]: 24: Hoare triple {14083#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:16,067 INFO L290 TraceCheckUtils]: 25: Hoare triple {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:16,068 INFO L290 TraceCheckUtils]: 26: Hoare triple {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14081#false} is VALID [2022-02-20 23:55:16,068 INFO L290 TraceCheckUtils]: 27: Hoare triple {14081#false} assume !(1 == #valid[main_~x~0#1.base]); {14081#false} is VALID [2022-02-20 23:55:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:16,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:16,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325500518] [2022-02-20 23:55:16,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325500518] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:16,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815223968] [2022-02-20 23:55:16,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:16,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:16,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:16,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:16,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 23:55:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:16,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:55:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:16,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:16,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:16,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:16,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:16,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:16,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:16,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:16,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:16,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:16,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:16,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:16,637 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:16,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-02-20 23:55:16,658 INFO L290 TraceCheckUtils]: 0: Hoare triple {14080#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {14080#true} is VALID [2022-02-20 23:55:16,659 INFO L290 TraceCheckUtils]: 1: Hoare triple {14080#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {14092#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:16,659 INFO L290 TraceCheckUtils]: 2: Hoare triple {14092#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,660 INFO L290 TraceCheckUtils]: 3: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,660 INFO L290 TraceCheckUtils]: 4: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,661 INFO L290 TraceCheckUtils]: 6: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,662 INFO L290 TraceCheckUtils]: 7: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,663 INFO L290 TraceCheckUtils]: 8: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,663 INFO L290 TraceCheckUtils]: 9: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,663 INFO L290 TraceCheckUtils]: 10: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:16,664 INFO L290 TraceCheckUtils]: 11: Hoare triple {14096#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,664 INFO L290 TraceCheckUtils]: 12: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,665 INFO L290 TraceCheckUtils]: 13: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,665 INFO L290 TraceCheckUtils]: 14: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,665 INFO L290 TraceCheckUtils]: 15: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short15#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,666 INFO L290 TraceCheckUtils]: 16: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short18#1 := main_#t~short15#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,666 INFO L290 TraceCheckUtils]: 17: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short18#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,667 INFO L290 TraceCheckUtils]: 18: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short20#1 := main_#t~short18#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,667 INFO L290 TraceCheckUtils]: 19: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short20#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,667 INFO L290 TraceCheckUtils]: 20: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,668 INFO L290 TraceCheckUtils]: 21: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,668 INFO L290 TraceCheckUtils]: 22: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,669 INFO L290 TraceCheckUtils]: 23: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:16,669 INFO L290 TraceCheckUtils]: 24: Hoare triple {14124#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:16,670 INFO L290 TraceCheckUtils]: 25: Hoare triple {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:16,670 INFO L290 TraceCheckUtils]: 26: Hoare triple {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14081#false} is VALID [2022-02-20 23:55:16,670 INFO L290 TraceCheckUtils]: 27: Hoare triple {14081#false} assume !(1 == #valid[main_~x~0#1.base]); {14081#false} is VALID [2022-02-20 23:55:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:16,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:17,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-02-20 23:55:18,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-02-20 23:55:18,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2022-02-20 23:55:18,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-02-20 23:55:18,118 INFO L290 TraceCheckUtils]: 27: Hoare triple {14081#false} assume !(1 == #valid[main_~x~0#1.base]); {14081#false} is VALID [2022-02-20 23:55:18,119 INFO L290 TraceCheckUtils]: 26: Hoare triple {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14081#false} is VALID [2022-02-20 23:55:18,119 INFO L290 TraceCheckUtils]: 25: Hoare triple {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {14085#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:18,120 INFO L290 TraceCheckUtils]: 24: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {14084#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:18,120 INFO L290 TraceCheckUtils]: 23: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} goto; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,121 INFO L290 TraceCheckUtils]: 22: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,121 INFO L290 TraceCheckUtils]: 21: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,122 INFO L290 TraceCheckUtils]: 20: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,122 INFO L290 TraceCheckUtils]: 19: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short20#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,123 INFO L290 TraceCheckUtils]: 18: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short20#1 := main_#t~short18#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,123 INFO L290 TraceCheckUtils]: 17: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short18#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,124 INFO L290 TraceCheckUtils]: 16: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short18#1 := main_#t~short15#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,124 INFO L290 TraceCheckUtils]: 15: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short15#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,125 INFO L290 TraceCheckUtils]: 14: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short15#1 := 2 == main_#t~mem13#1; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,125 INFO L290 TraceCheckUtils]: 13: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,126 INFO L290 TraceCheckUtils]: 12: Hoare triple {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,127 INFO L290 TraceCheckUtils]: 11: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14182#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:18,127 INFO L290 TraceCheckUtils]: 10: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,128 INFO L290 TraceCheckUtils]: 9: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,129 INFO L290 TraceCheckUtils]: 8: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,130 INFO L290 TraceCheckUtils]: 7: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,131 INFO L290 TraceCheckUtils]: 6: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,132 INFO L290 TraceCheckUtils]: 5: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,132 INFO L290 TraceCheckUtils]: 4: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,133 INFO L290 TraceCheckUtils]: 3: Hoare triple {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,134 INFO L290 TraceCheckUtils]: 2: Hoare triple {14250#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {14222#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_47| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_47|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_47|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_47| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:18,134 INFO L290 TraceCheckUtils]: 1: Hoare triple {14080#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {14250#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:18,134 INFO L290 TraceCheckUtils]: 0: Hoare triple {14080#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {14080#true} is VALID [2022-02-20 23:55:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:18,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815223968] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:18,135 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:18,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:55:18,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056449845] [2022-02-20 23:55:18,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:18,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:18,136 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:18,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,199 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:18,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:55:18,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:18,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:55:18,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:18,200 INFO L87 Difference]: Start difference. First operand 167 states and 193 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:18,803 INFO L93 Difference]: Finished difference Result 190 states and 218 transitions. [2022-02-20 23:55:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:55:18,803 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:18,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 136 transitions. [2022-02-20 23:55:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 136 transitions. [2022-02-20 23:55:18,806 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 136 transitions. [2022-02-20 23:55:18,911 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:18,913 INFO L225 Difference]: With dead ends: 190 [2022-02-20 23:55:18,913 INFO L226 Difference]: Without dead ends: 190 [2022-02-20 23:55:18,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:55:18,913 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 154 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:18,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 441 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 170 Invalid, 0 Unknown, 45 Unchecked, 0.2s Time] [2022-02-20 23:55:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-02-20 23:55:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2022-02-20 23:55:18,915 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:18,916 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,916 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,916 INFO L87 Difference]: Start difference. First operand 190 states. Second operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:18,919 INFO L93 Difference]: Finished difference Result 190 states and 218 transitions. [2022-02-20 23:55:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 218 transitions. [2022-02-20 23:55:18,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:18,919 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:18,919 INFO L74 IsIncluded]: Start isIncluded. First operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 190 states. [2022-02-20 23:55:18,920 INFO L87 Difference]: Start difference. First operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 190 states. [2022-02-20 23:55:18,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:18,923 INFO L93 Difference]: Finished difference Result 190 states and 218 transitions. [2022-02-20 23:55:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 218 transitions. [2022-02-20 23:55:18,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:18,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:18,923 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:18,923 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 187 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 216 transitions. [2022-02-20 23:55:18,926 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 216 transitions. Word has length 28 [2022-02-20 23:55:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:18,927 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 216 transitions. [2022-02-20 23:55:18,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 216 transitions. [2022-02-20 23:55:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:55:18,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:18,927 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:18,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 23:55:19,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-02-20 23:55:19,144 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:19,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1521719254, now seen corresponding path program 1 times [2022-02-20 23:55:19,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:19,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338824482] [2022-02-20 23:55:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:19,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:19,206 INFO L290 TraceCheckUtils]: 0: Hoare triple {15024#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {15024#true} is VALID [2022-02-20 23:55:19,207 INFO L290 TraceCheckUtils]: 1: Hoare triple {15024#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15024#true} is VALID [2022-02-20 23:55:19,207 INFO L290 TraceCheckUtils]: 2: Hoare triple {15024#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,208 INFO L290 TraceCheckUtils]: 3: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,208 INFO L290 TraceCheckUtils]: 4: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,209 INFO L290 TraceCheckUtils]: 5: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,209 INFO L290 TraceCheckUtils]: 6: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-10 {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,210 INFO L290 TraceCheckUtils]: 7: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-11 {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,210 INFO L290 TraceCheckUtils]: 8: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,211 INFO L290 TraceCheckUtils]: 9: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,211 INFO L290 TraceCheckUtils]: 10: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,212 INFO L290 TraceCheckUtils]: 11: Hoare triple {15026#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,212 INFO L290 TraceCheckUtils]: 12: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,213 INFO L290 TraceCheckUtils]: 13: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,213 INFO L290 TraceCheckUtils]: 14: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,213 INFO L290 TraceCheckUtils]: 15: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short15#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,214 INFO L290 TraceCheckUtils]: 16: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short18#1 := main_#t~short15#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,214 INFO L290 TraceCheckUtils]: 17: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short18#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,214 INFO L290 TraceCheckUtils]: 18: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short20#1 := main_#t~short18#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,215 INFO L290 TraceCheckUtils]: 19: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short20#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,215 INFO L290 TraceCheckUtils]: 20: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,216 INFO L290 TraceCheckUtils]: 21: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,216 INFO L290 TraceCheckUtils]: 22: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,217 INFO L290 TraceCheckUtils]: 23: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,217 INFO L290 TraceCheckUtils]: 24: Hoare triple {15027#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:19,217 INFO L290 TraceCheckUtils]: 25: Hoare triple {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:19,218 INFO L290 TraceCheckUtils]: 26: Hoare triple {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15025#false} is VALID [2022-02-20 23:55:19,218 INFO L290 TraceCheckUtils]: 27: Hoare triple {15025#false} assume !(1 == #valid[main_~x~0#1.base]); {15025#false} is VALID [2022-02-20 23:55:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:19,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:19,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338824482] [2022-02-20 23:55:19,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338824482] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:19,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18773853] [2022-02-20 23:55:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:19,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:19,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:19,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:19,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 23:55:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:55:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:19,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:19,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:19,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:19,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:19,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:19,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:19,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:19,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:19,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:19,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:19,714 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:19,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2022-02-20 23:55:19,762 INFO L290 TraceCheckUtils]: 0: Hoare triple {15024#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {15024#true} is VALID [2022-02-20 23:55:19,763 INFO L290 TraceCheckUtils]: 1: Hoare triple {15024#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15036#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:19,764 INFO L290 TraceCheckUtils]: 2: Hoare triple {15036#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,764 INFO L290 TraceCheckUtils]: 3: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,764 INFO L290 TraceCheckUtils]: 4: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,765 INFO L290 TraceCheckUtils]: 5: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,766 INFO L290 TraceCheckUtils]: 6: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-10 {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,767 INFO L290 TraceCheckUtils]: 7: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-11 {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,767 INFO L290 TraceCheckUtils]: 8: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,768 INFO L290 TraceCheckUtils]: 9: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,768 INFO L290 TraceCheckUtils]: 10: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:19,769 INFO L290 TraceCheckUtils]: 11: Hoare triple {15040#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,769 INFO L290 TraceCheckUtils]: 12: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,770 INFO L290 TraceCheckUtils]: 13: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,770 INFO L290 TraceCheckUtils]: 14: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,771 INFO L290 TraceCheckUtils]: 15: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short15#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,771 INFO L290 TraceCheckUtils]: 16: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short18#1 := main_#t~short15#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,771 INFO L290 TraceCheckUtils]: 17: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short18#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,772 INFO L290 TraceCheckUtils]: 18: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short20#1 := main_#t~short18#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,772 INFO L290 TraceCheckUtils]: 19: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short20#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,773 INFO L290 TraceCheckUtils]: 20: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,773 INFO L290 TraceCheckUtils]: 21: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,773 INFO L290 TraceCheckUtils]: 22: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,774 INFO L290 TraceCheckUtils]: 23: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:19,774 INFO L290 TraceCheckUtils]: 24: Hoare triple {15068#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:19,775 INFO L290 TraceCheckUtils]: 25: Hoare triple {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:19,775 INFO L290 TraceCheckUtils]: 26: Hoare triple {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15025#false} is VALID [2022-02-20 23:55:19,775 INFO L290 TraceCheckUtils]: 27: Hoare triple {15025#false} assume !(1 == #valid[main_~x~0#1.base]); {15025#false} is VALID [2022-02-20 23:55:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:19,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:21,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-02-20 23:55:21,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-02-20 23:55:21,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2022-02-20 23:55:21,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-02-20 23:55:21,316 INFO L290 TraceCheckUtils]: 27: Hoare triple {15025#false} assume !(1 == #valid[main_~x~0#1.base]); {15025#false} is VALID [2022-02-20 23:55:21,317 INFO L290 TraceCheckUtils]: 26: Hoare triple {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15025#false} is VALID [2022-02-20 23:55:21,318 INFO L290 TraceCheckUtils]: 25: Hoare triple {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {15029#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:21,318 INFO L290 TraceCheckUtils]: 24: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {15028#(and (= |ULTIMATE.start_main_#t~mem21#1.base| 0) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:55:21,319 INFO L290 TraceCheckUtils]: 23: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} goto; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,320 INFO L290 TraceCheckUtils]: 22: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,320 INFO L290 TraceCheckUtils]: 21: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,321 INFO L290 TraceCheckUtils]: 20: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,321 INFO L290 TraceCheckUtils]: 19: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short20#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,322 INFO L290 TraceCheckUtils]: 18: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short20#1 := main_#t~short18#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,322 INFO L290 TraceCheckUtils]: 17: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short18#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,323 INFO L290 TraceCheckUtils]: 16: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short18#1 := main_#t~short15#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,323 INFO L290 TraceCheckUtils]: 15: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short15#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,324 INFO L290 TraceCheckUtils]: 14: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short15#1 := 2 == main_#t~mem13#1; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,325 INFO L290 TraceCheckUtils]: 13: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,325 INFO L290 TraceCheckUtils]: 12: Hoare triple {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,327 INFO L290 TraceCheckUtils]: 11: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:21,328 INFO L290 TraceCheckUtils]: 10: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,329 INFO L290 TraceCheckUtils]: 9: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,329 INFO L290 TraceCheckUtils]: 8: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,330 INFO L290 TraceCheckUtils]: 7: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-11 {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,332 INFO L290 TraceCheckUtils]: 6: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} SUMMARY for call write~int(1, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-10 {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,332 INFO L290 TraceCheckUtils]: 5: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,333 INFO L290 TraceCheckUtils]: 4: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,338 INFO L290 TraceCheckUtils]: 3: Hoare triple {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {15194#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15166#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_51| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_51|))))} is VALID [2022-02-20 23:55:21,341 INFO L290 TraceCheckUtils]: 1: Hoare triple {15024#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15194#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:21,341 INFO L290 TraceCheckUtils]: 0: Hoare triple {15024#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {15024#true} is VALID [2022-02-20 23:55:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:21,345 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18773853] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:21,345 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:21,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:55:21,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317376847] [2022-02-20 23:55:21,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:21,346 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:21,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:21,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:21,433 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:21,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:55:21,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:21,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:55:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:21,434 INFO L87 Difference]: Start difference. First operand 188 states and 216 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:22,414 INFO L93 Difference]: Finished difference Result 229 states and 260 transitions. [2022-02-20 23:55:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:22,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-02-20 23:55:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 160 transitions. [2022-02-20 23:55:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 160 transitions. [2022-02-20 23:55:22,417 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 160 transitions. [2022-02-20 23:55:22,562 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:22,565 INFO L225 Difference]: With dead ends: 229 [2022-02-20 23:55:22,565 INFO L226 Difference]: Without dead ends: 229 [2022-02-20 23:55:22,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:55:22,566 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 313 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:22,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 373 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 236 Invalid, 0 Unknown, 34 Unchecked, 0.3s Time] [2022-02-20 23:55:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-02-20 23:55:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 180. [2022-02-20 23:55:22,569 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:22,569 INFO L82 GeneralOperation]: Start isEquivalent. First operand 229 states. Second operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,569 INFO L74 IsIncluded]: Start isIncluded. First operand 229 states. Second operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,570 INFO L87 Difference]: Start difference. First operand 229 states. Second operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:22,573 INFO L93 Difference]: Finished difference Result 229 states and 260 transitions. [2022-02-20 23:55:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 260 transitions. [2022-02-20 23:55:22,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:22,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:22,574 INFO L74 IsIncluded]: Start isIncluded. First operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 229 states. [2022-02-20 23:55:22,575 INFO L87 Difference]: Start difference. First operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 229 states. [2022-02-20 23:55:22,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:22,578 INFO L93 Difference]: Finished difference Result 229 states and 260 transitions. [2022-02-20 23:55:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 260 transitions. [2022-02-20 23:55:22,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:22,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:22,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:22,580 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 208 transitions. [2022-02-20 23:55:22,582 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 208 transitions. Word has length 28 [2022-02-20 23:55:22,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:22,583 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 208 transitions. [2022-02-20 23:55:22,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2022-02-20 23:55:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:22,583 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:22,584 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:22,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:22,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-02-20 23:55:22,798 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:22,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1511540264, now seen corresponding path program 1 times [2022-02-20 23:55:22,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:22,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343077539] [2022-02-20 23:55:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:22,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:22,905 INFO L290 TraceCheckUtils]: 0: Hoare triple {16082#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {16082#true} is VALID [2022-02-20 23:55:22,906 INFO L290 TraceCheckUtils]: 1: Hoare triple {16082#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16082#true} is VALID [2022-02-20 23:55:22,906 INFO L290 TraceCheckUtils]: 2: Hoare triple {16082#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16082#true} is VALID [2022-02-20 23:55:22,906 INFO L290 TraceCheckUtils]: 3: Hoare triple {16082#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16082#true} is VALID [2022-02-20 23:55:22,906 INFO L290 TraceCheckUtils]: 4: Hoare triple {16082#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {16082#true} is VALID [2022-02-20 23:55:22,906 INFO L290 TraceCheckUtils]: 5: Hoare triple {16082#true} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 6: Hoare triple {16082#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 7: Hoare triple {16082#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 8: Hoare triple {16082#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 9: Hoare triple {16082#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 10: Hoare triple {16082#true} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L998-6 {16082#true} is VALID [2022-02-20 23:55:22,907 INFO L290 TraceCheckUtils]: 11: Hoare triple {16082#true} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 12: Hoare triple {16082#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 13: Hoare triple {16082#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 14: Hoare triple {16082#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 15: Hoare triple {16082#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 16: Hoare triple {16082#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 17: Hoare triple {16082#true} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {16082#true} is VALID [2022-02-20 23:55:22,908 INFO L290 TraceCheckUtils]: 18: Hoare triple {16082#true} main_#t~short15#1 := 2 == main_#t~mem13#1; {16082#true} is VALID [2022-02-20 23:55:22,909 INFO L290 TraceCheckUtils]: 19: Hoare triple {16082#true} assume main_#t~short15#1; {16082#true} is VALID [2022-02-20 23:55:22,909 INFO L290 TraceCheckUtils]: 20: Hoare triple {16082#true} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {16084#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem14#1.base|) (= |ULTIMATE.start_main_#t~mem14#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} is VALID [2022-02-20 23:55:22,910 INFO L290 TraceCheckUtils]: 21: Hoare triple {16084#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem14#1.base|) (= |ULTIMATE.start_main_#t~mem14#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {16085#(or |ULTIMATE.start_main_#t~short15#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:22,911 INFO L290 TraceCheckUtils]: 22: Hoare triple {16085#(or |ULTIMATE.start_main_#t~short15#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|)))} main_#t~short18#1 := main_#t~short15#1; {16086#(or |ULTIMATE.start_main_#t~short18#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:22,911 INFO L290 TraceCheckUtils]: 23: Hoare triple {16086#(or |ULTIMATE.start_main_#t~short18#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|)))} assume !main_#t~short18#1; {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:22,912 INFO L290 TraceCheckUtils]: 24: Hoare triple {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:22,913 INFO L290 TraceCheckUtils]: 25: Hoare triple {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:22,913 INFO L290 TraceCheckUtils]: 26: Hoare triple {16087#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {16088#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:55:22,914 INFO L290 TraceCheckUtils]: 27: Hoare triple {16088#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {16089#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:22,914 INFO L290 TraceCheckUtils]: 28: Hoare triple {16089#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {16083#false} is VALID [2022-02-20 23:55:22,914 INFO L290 TraceCheckUtils]: 29: Hoare triple {16083#false} assume !false; {16083#false} is VALID [2022-02-20 23:55:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:22,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:22,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343077539] [2022-02-20 23:55:22,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343077539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:22,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:22,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:55:22,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432850357] [2022-02-20 23:55:22,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:22,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:55:22,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:22,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,943 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:22,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:55:22,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:22,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:55:22,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:55:22,944 INFO L87 Difference]: Start difference. First operand 180 states and 208 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:23,636 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:55:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:55:23,637 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:55:23,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 135 transitions. [2022-02-20 23:55:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 135 transitions. [2022-02-20 23:55:23,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 135 transitions. [2022-02-20 23:55:23,729 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:23,739 INFO L225 Difference]: With dead ends: 225 [2022-02-20 23:55:23,739 INFO L226 Difference]: Without dead ends: 225 [2022-02-20 23:55:23,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:55:23,742 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 60 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:23,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 489 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-02-20 23:55:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 186. [2022-02-20 23:55:23,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:23,745 INFO L82 GeneralOperation]: Start isEquivalent. First operand 225 states. Second operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,746 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,746 INFO L87 Difference]: Start difference. First operand 225 states. Second operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:23,750 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:55:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 256 transitions. [2022-02-20 23:55:23,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:23,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:23,751 INFO L74 IsIncluded]: Start isIncluded. First operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 225 states. [2022-02-20 23:55:23,751 INFO L87 Difference]: Start difference. First operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 225 states. [2022-02-20 23:55:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:23,754 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:55:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 256 transitions. [2022-02-20 23:55:23,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:23,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:23,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:23,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 165 states have (on average 1.303030303030303) internal successors, (215), 185 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2022-02-20 23:55:23,758 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 30 [2022-02-20 23:55:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:23,758 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2022-02-20 23:55:23,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2022-02-20 23:55:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:55:23,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:23,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:23,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-20 23:55:23,759 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:23,760 INFO L85 PathProgramCache]: Analyzing trace with hash 238082658, now seen corresponding path program 1 times [2022-02-20 23:55:23,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:23,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070732413] [2022-02-20 23:55:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:23,901 INFO L290 TraceCheckUtils]: 0: Hoare triple {16965#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {16965#true} is VALID [2022-02-20 23:55:23,902 INFO L290 TraceCheckUtils]: 1: Hoare triple {16965#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16965#true} is VALID [2022-02-20 23:55:23,902 INFO L290 TraceCheckUtils]: 2: Hoare triple {16965#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:23,903 INFO L290 TraceCheckUtils]: 3: Hoare triple {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:23,903 INFO L290 TraceCheckUtils]: 4: Hoare triple {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:23,904 INFO L290 TraceCheckUtils]: 5: Hoare triple {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-1 {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:23,904 INFO L290 TraceCheckUtils]: 6: Hoare triple {16967#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {16968#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:23,905 INFO L290 TraceCheckUtils]: 7: Hoare triple {16968#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-3 {16969#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:23,906 INFO L290 TraceCheckUtils]: 8: Hoare triple {16969#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16969#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:23,906 INFO L290 TraceCheckUtils]: 9: Hoare triple {16969#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-5 {16970#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem4#1.offset|))} is VALID [2022-02-20 23:55:23,907 INFO L290 TraceCheckUtils]: 10: Hoare triple {16970#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem4#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L998-6 {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,908 INFO L290 TraceCheckUtils]: 11: Hoare triple {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,908 INFO L290 TraceCheckUtils]: 12: Hoare triple {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,909 INFO L290 TraceCheckUtils]: 13: Hoare triple {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,910 INFO L290 TraceCheckUtils]: 14: Hoare triple {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,910 INFO L290 TraceCheckUtils]: 15: Hoare triple {16971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,911 INFO L290 TraceCheckUtils]: 16: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,912 INFO L290 TraceCheckUtils]: 18: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,913 INFO L290 TraceCheckUtils]: 19: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} assume main_#t~short15#1; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,913 INFO L290 TraceCheckUtils]: 20: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,914 INFO L290 TraceCheckUtils]: 21: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,914 INFO L290 TraceCheckUtils]: 22: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} main_#t~short18#1 := main_#t~short15#1; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,915 INFO L290 TraceCheckUtils]: 23: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} assume main_#t~short18#1; {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} is VALID [2022-02-20 23:55:23,916 INFO L290 TraceCheckUtils]: 24: Hoare triple {16972#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {16973#(and (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|) 0))} is VALID [2022-02-20 23:55:23,916 INFO L290 TraceCheckUtils]: 25: Hoare triple {16973#(and (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base|) |ULTIMATE.start_main_#t~mem16#1.offset|) 0))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_#t~mem16#1.base, main_#t~mem16#1.offset, 4); srcloc: L1007-9 {16974#(and (= |ULTIMATE.start_main_#t~mem17#1.base| 0) (= |ULTIMATE.start_main_#t~mem17#1.offset| 0))} is VALID [2022-02-20 23:55:23,917 INFO L290 TraceCheckUtils]: 26: Hoare triple {16974#(and (= |ULTIMATE.start_main_#t~mem17#1.base| 0) (= |ULTIMATE.start_main_#t~mem17#1.offset| 0))} main_#t~short18#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {16975#|ULTIMATE.start_main_#t~short18#1|} is VALID [2022-02-20 23:55:23,917 INFO L290 TraceCheckUtils]: 27: Hoare triple {16975#|ULTIMATE.start_main_#t~short18#1|} main_#t~short20#1 := main_#t~short18#1; {16976#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:23,918 INFO L290 TraceCheckUtils]: 28: Hoare triple {16976#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1; {16966#false} is VALID [2022-02-20 23:55:23,918 INFO L290 TraceCheckUtils]: 29: Hoare triple {16966#false} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {16966#false} is VALID [2022-02-20 23:55:23,918 INFO L290 TraceCheckUtils]: 30: Hoare triple {16966#false} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {16966#false} is VALID [2022-02-20 23:55:23,918 INFO L290 TraceCheckUtils]: 31: Hoare triple {16966#false} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {16966#false} is VALID [2022-02-20 23:55:23,918 INFO L290 TraceCheckUtils]: 32: Hoare triple {16966#false} assume !false; {16966#false} is VALID [2022-02-20 23:55:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:23,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:23,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070732413] [2022-02-20 23:55:23,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070732413] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:23,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:23,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-20 23:55:23,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012355949] [2022-02-20 23:55:23,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:23,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:55:23,920 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:23,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:23,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:23,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:55:23,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:23,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:55:23,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:23,954 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:25,503 INFO L93 Difference]: Finished difference Result 224 states and 250 transitions. [2022-02-20 23:55:25,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 23:55:25,504 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:55:25,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 171 transitions. [2022-02-20 23:55:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 171 transitions. [2022-02-20 23:55:25,526 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 171 transitions. [2022-02-20 23:55:25,658 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:25,660 INFO L225 Difference]: With dead ends: 224 [2022-02-20 23:55:25,661 INFO L226 Difference]: Without dead ends: 224 [2022-02-20 23:55:25,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=551, Unknown=0, NotChecked=0, Total=702 [2022-02-20 23:55:25,661 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 187 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:25,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 733 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 23:55:25,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-02-20 23:55:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 183. [2022-02-20 23:55:25,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:25,665 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,665 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,666 INFO L87 Difference]: Start difference. First operand 224 states. Second operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:25,668 INFO L93 Difference]: Finished difference Result 224 states and 250 transitions. [2022-02-20 23:55:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 250 transitions. [2022-02-20 23:55:25,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:25,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:25,669 INFO L74 IsIncluded]: Start isIncluded. First operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 224 states. [2022-02-20 23:55:25,669 INFO L87 Difference]: Start difference. First operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 224 states. [2022-02-20 23:55:25,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:25,671 INFO L93 Difference]: Finished difference Result 224 states and 250 transitions. [2022-02-20 23:55:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 250 transitions. [2022-02-20 23:55:25,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:25,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:25,672 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:25,672 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 182 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 210 transitions. [2022-02-20 23:55:25,674 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 210 transitions. Word has length 33 [2022-02-20 23:55:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:25,675 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 210 transitions. [2022-02-20 23:55:25,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2022-02-20 23:55:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 23:55:25,675 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:25,675 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:25,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-20 23:55:25,676 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash 745727206, now seen corresponding path program 1 times [2022-02-20 23:55:25,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:25,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271724988] [2022-02-20 23:55:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:25,941 INFO L290 TraceCheckUtils]: 0: Hoare triple {17864#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {17864#true} is VALID [2022-02-20 23:55:25,941 INFO L290 TraceCheckUtils]: 1: Hoare triple {17864#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17866#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:25,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {17866#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,942 INFO L290 TraceCheckUtils]: 3: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,943 INFO L290 TraceCheckUtils]: 4: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,943 INFO L290 TraceCheckUtils]: 5: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,944 INFO L290 TraceCheckUtils]: 6: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,944 INFO L290 TraceCheckUtils]: 7: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,945 INFO L290 TraceCheckUtils]: 8: Hoare triple {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17869#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,945 INFO L290 TraceCheckUtils]: 9: Hoare triple {17869#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17869#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,946 INFO L290 TraceCheckUtils]: 10: Hoare triple {17869#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {17870#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:25,947 INFO L290 TraceCheckUtils]: 11: Hoare triple {17870#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {17871#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:25,947 INFO L290 TraceCheckUtils]: 12: Hoare triple {17871#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {17871#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:25,948 INFO L290 TraceCheckUtils]: 13: Hoare triple {17871#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {17872#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:25,949 INFO L290 TraceCheckUtils]: 14: Hoare triple {17872#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,949 INFO L290 TraceCheckUtils]: 15: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,950 INFO L290 TraceCheckUtils]: 16: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,950 INFO L290 TraceCheckUtils]: 17: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,951 INFO L290 TraceCheckUtils]: 18: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,952 INFO L290 TraceCheckUtils]: 19: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,953 INFO L290 TraceCheckUtils]: 20: Hoare triple {17873#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,953 INFO L290 TraceCheckUtils]: 21: Hoare triple {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,953 INFO L290 TraceCheckUtils]: 22: Hoare triple {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,954 INFO L290 TraceCheckUtils]: 23: Hoare triple {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:25,954 INFO L290 TraceCheckUtils]: 24: Hoare triple {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:25,955 INFO L290 TraceCheckUtils]: 25: Hoare triple {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:25,955 INFO L290 TraceCheckUtils]: 26: Hoare triple {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:25,956 INFO L290 TraceCheckUtils]: 27: Hoare triple {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:25,956 INFO L290 TraceCheckUtils]: 28: Hoare triple {17874#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {17875#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:25,957 INFO L290 TraceCheckUtils]: 29: Hoare triple {17875#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:25,957 INFO L290 TraceCheckUtils]: 30: Hoare triple {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short18#1 := main_#t~short15#1; {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:25,958 INFO L290 TraceCheckUtils]: 31: Hoare triple {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume main_#t~short18#1; {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:25,958 INFO L290 TraceCheckUtils]: 32: Hoare triple {17876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {17877#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:55:25,958 INFO L290 TraceCheckUtils]: 33: Hoare triple {17877#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {17865#false} is VALID [2022-02-20 23:55:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:25,959 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:25,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271724988] [2022-02-20 23:55:25,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271724988] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:25,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548911244] [2022-02-20 23:55:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:25,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:25,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:25,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 23:55:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:26,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 23:55:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:26,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:26,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:26,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:26,249 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:55:26,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:55:26,336 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-02-20 23:55:26,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-02-20 23:55:26,627 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:26,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2022-02-20 23:55:26,925 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:26,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2022-02-20 23:55:27,016 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:27,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 42 [2022-02-20 23:55:27,647 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:27,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 28 [2022-02-20 23:55:27,866 INFO L290 TraceCheckUtils]: 0: Hoare triple {17864#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {17864#true} is VALID [2022-02-20 23:55:27,867 INFO L290 TraceCheckUtils]: 1: Hoare triple {17864#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,868 INFO L290 TraceCheckUtils]: 2: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,868 INFO L290 TraceCheckUtils]: 3: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,869 INFO L290 TraceCheckUtils]: 4: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,869 INFO L290 TraceCheckUtils]: 5: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,870 INFO L290 TraceCheckUtils]: 6: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,871 INFO L290 TraceCheckUtils]: 7: Hoare triple {17867#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,872 INFO L290 TraceCheckUtils]: 8: Hoare triple {17868#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,872 INFO L290 TraceCheckUtils]: 9: Hoare triple {17905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,873 INFO L290 TraceCheckUtils]: 10: Hoare triple {17905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {17912#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1))} is VALID [2022-02-20 23:55:27,874 INFO L290 TraceCheckUtils]: 11: Hoare triple {17912#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {17916#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:27,875 INFO L290 TraceCheckUtils]: 12: Hoare triple {17916#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {17916#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:27,877 INFO L290 TraceCheckUtils]: 13: Hoare triple {17916#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {17923#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,878 INFO L290 TraceCheckUtils]: 14: Hoare triple {17923#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,879 INFO L290 TraceCheckUtils]: 15: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,880 INFO L290 TraceCheckUtils]: 16: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,882 INFO L290 TraceCheckUtils]: 17: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,883 INFO L290 TraceCheckUtils]: 18: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,884 INFO L290 TraceCheckUtils]: 19: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:27,886 INFO L290 TraceCheckUtils]: 20: Hoare triple {17927#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,887 INFO L290 TraceCheckUtils]: 21: Hoare triple {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,888 INFO L290 TraceCheckUtils]: 22: Hoare triple {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:27,889 INFO L290 TraceCheckUtils]: 23: Hoare triple {17946#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1) (or (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,890 INFO L290 TraceCheckUtils]: 24: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,892 INFO L290 TraceCheckUtils]: 25: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,893 INFO L290 TraceCheckUtils]: 26: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} main_#t~short15#1 := 2 == main_#t~mem13#1; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,894 INFO L290 TraceCheckUtils]: 27: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} assume main_#t~short15#1; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,895 INFO L290 TraceCheckUtils]: 28: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,896 INFO L290 TraceCheckUtils]: 29: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,897 INFO L290 TraceCheckUtils]: 30: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} main_#t~short18#1 := main_#t~short15#1; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,898 INFO L290 TraceCheckUtils]: 31: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} assume main_#t~short18#1; {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:27,899 INFO L290 TraceCheckUtils]: 32: Hoare triple {17956#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (= (+ |ULTIMATE.start_main_~x~0#1.offset| 4) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|)))))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {17984#(exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (v_arrayElimCell_29 Int)) (and (or (= |ULTIMATE.start_main_#t~mem16#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_#t~mem16#1.base| v_arrayElimCell_29)) (= (select |#valid| v_arrayElimCell_29) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| v_arrayElimCell_29))))} is VALID [2022-02-20 23:55:27,900 INFO L290 TraceCheckUtils]: 33: Hoare triple {17984#(exists ((|ULTIMATE.start_main_~x~0#1.base| Int) (v_arrayElimCell_29 Int)) (and (or (= |ULTIMATE.start_main_#t~mem16#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_#t~mem16#1.base| v_arrayElimCell_29)) (= (select |#valid| v_arrayElimCell_29) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| v_arrayElimCell_29))))} assume !(1 == #valid[main_#t~mem16#1.base]); {17865#false} is VALID [2022-02-20 23:55:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:27,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:28,093 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_729 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_729) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) 1)) is different from false [2022-02-20 23:55:28,372 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (let ((.cse0 (store |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1))) (or (not (= (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0)) (= (select .cse0 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) 1)))) is different from false [2022-02-20 23:55:28,452 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-02-20 23:55:28,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 36 [2022-02-20 23:55:28,469 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-02-20 23:55:28,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 49 [2022-02-20 23:55:28,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-20 23:55:30,622 INFO L290 TraceCheckUtils]: 33: Hoare triple {17877#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {17865#false} is VALID [2022-02-20 23:55:30,623 INFO L290 TraceCheckUtils]: 32: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {17877#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:55:30,623 INFO L290 TraceCheckUtils]: 31: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short18#1; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,623 INFO L290 TraceCheckUtils]: 30: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short18#1 := main_#t~short15#1; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,624 INFO L290 TraceCheckUtils]: 29: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,624 INFO L290 TraceCheckUtils]: 28: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,624 INFO L290 TraceCheckUtils]: 27: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short15#1; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,625 INFO L290 TraceCheckUtils]: 26: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short15#1 := 2 == main_#t~mem13#1; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,625 INFO L290 TraceCheckUtils]: 25: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,625 INFO L290 TraceCheckUtils]: 24: Hoare triple {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,626 INFO L290 TraceCheckUtils]: 23: Hoare triple {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17991#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,626 INFO L290 TraceCheckUtils]: 22: Hoare triple {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,626 INFO L290 TraceCheckUtils]: 21: Hoare triple {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,627 INFO L290 TraceCheckUtils]: 20: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {18019#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:30,630 WARN L290 TraceCheckUtils]: 19: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is UNKNOWN [2022-02-20 23:55:30,630 INFO L290 TraceCheckUtils]: 18: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,631 INFO L290 TraceCheckUtils]: 17: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,631 INFO L290 TraceCheckUtils]: 16: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,638 WARN L290 TraceCheckUtils]: 15: Hoare triple {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is UNKNOWN [2022-02-20 23:55:30,640 INFO L290 TraceCheckUtils]: 14: Hoare triple {18048#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {18029#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,641 INFO L290 TraceCheckUtils]: 13: Hoare triple {18052#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {18048#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,641 INFO L290 TraceCheckUtils]: 12: Hoare triple {18052#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {18052#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,642 INFO L290 TraceCheckUtils]: 11: Hoare triple {18059#(or (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {18052#(forall ((v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:55:30,644 INFO L290 TraceCheckUtils]: 10: Hoare triple {18063#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {18059#(or (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int))) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1)))} is VALID [2022-02-20 23:55:30,644 INFO L290 TraceCheckUtils]: 9: Hoare triple {18063#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {18063#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} is VALID [2022-02-20 23:55:30,646 WARN L290 TraceCheckUtils]: 8: Hoare triple {18070#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {18063#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:55:30,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {18070#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_729 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_8| Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8| 1) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_8| v_ArrVal_729) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_8|) 0))))} is VALID [2022-02-20 23:55:30,647 INFO L290 TraceCheckUtils]: 6: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,647 INFO L290 TraceCheckUtils]: 5: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,648 INFO L290 TraceCheckUtils]: 4: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,648 INFO L290 TraceCheckUtils]: 3: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,649 INFO L290 TraceCheckUtils]: 1: Hoare triple {17864#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {18074#(or (forall ((v_arrayElimCell_33 Int)) (= (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_33) 1)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:30,649 INFO L290 TraceCheckUtils]: 0: Hoare triple {17864#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {17864#true} is VALID [2022-02-20 23:55:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:30,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548911244] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:30,650 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:30,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 30 [2022-02-20 23:55:30,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122451451] [2022-02-20 23:55:30,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:30,651 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:30,651 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:30,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,788 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 91 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:30,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-20 23:55:30,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:30,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-20 23:55:30,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=662, Unknown=15, NotChecked=110, Total=930 [2022-02-20 23:55:30,790 INFO L87 Difference]: Start difference. First operand 183 states and 210 transitions. Second operand has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,614 INFO L93 Difference]: Finished difference Result 337 states and 385 transitions. [2022-02-20 23:55:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 23:55:32,614 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 250 transitions. [2022-02-20 23:55:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 250 transitions. [2022-02-20 23:55:32,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 250 transitions. [2022-02-20 23:55:32,867 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 250 edges. 248 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:32,873 INFO L225 Difference]: With dead ends: 337 [2022-02-20 23:55:32,873 INFO L226 Difference]: Without dead ends: 337 [2022-02-20 23:55:32,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=295, Invalid=1419, Unknown=16, NotChecked=162, Total=1892 [2022-02-20 23:55:32,874 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 156 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 730 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:32,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 1013 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 0 Unknown, 730 Unchecked, 0.3s Time] [2022-02-20 23:55:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-02-20 23:55:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 221. [2022-02-20 23:55:32,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:32,879 INFO L82 GeneralOperation]: Start isEquivalent. First operand 337 states. Second operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,879 INFO L74 IsIncluded]: Start isIncluded. First operand 337 states. Second operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,879 INFO L87 Difference]: Start difference. First operand 337 states. Second operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,897 INFO L93 Difference]: Finished difference Result 337 states and 385 transitions. [2022-02-20 23:55:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 385 transitions. [2022-02-20 23:55:32,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,898 INFO L74 IsIncluded]: Start isIncluded. First operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 337 states. [2022-02-20 23:55:32,898 INFO L87 Difference]: Start difference. First operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 337 states. [2022-02-20 23:55:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,903 INFO L93 Difference]: Finished difference Result 337 states and 385 transitions. [2022-02-20 23:55:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 385 transitions. [2022-02-20 23:55:32,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,904 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,904 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:32,904 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 200 states have (on average 1.29) internal successors, (258), 220 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 258 transitions. [2022-02-20 23:55:32,908 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 258 transitions. Word has length 34 [2022-02-20 23:55:32,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:32,908 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 258 transitions. [2022-02-20 23:55:32,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.1333333333333333) internal successors, (94), 31 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 258 transitions. [2022-02-20 23:55:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 23:55:32,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:32,909 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:32,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 23:55:33,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:33,127 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr47REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash 745727207, now seen corresponding path program 1 times [2022-02-20 23:55:33,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:33,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372593301] [2022-02-20 23:55:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,366 INFO L290 TraceCheckUtils]: 0: Hoare triple {19360#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {19360#true} is VALID [2022-02-20 23:55:33,366 INFO L290 TraceCheckUtils]: 1: Hoare triple {19360#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19362#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:33,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {19362#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,367 INFO L290 TraceCheckUtils]: 3: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,367 INFO L290 TraceCheckUtils]: 4: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,368 INFO L290 TraceCheckUtils]: 5: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,368 INFO L290 TraceCheckUtils]: 6: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {19364#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,369 INFO L290 TraceCheckUtils]: 7: Hoare triple {19364#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {19364#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,369 INFO L290 TraceCheckUtils]: 8: Hoare triple {19364#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19365#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0))} is VALID [2022-02-20 23:55:33,370 INFO L290 TraceCheckUtils]: 9: Hoare triple {19365#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19365#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0))} is VALID [2022-02-20 23:55:33,371 INFO L290 TraceCheckUtils]: 10: Hoare triple {19365#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {19366#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:33,372 INFO L290 TraceCheckUtils]: 11: Hoare triple {19366#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {19367#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:33,372 INFO L290 TraceCheckUtils]: 12: Hoare triple {19367#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {19367#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:33,372 INFO L290 TraceCheckUtils]: 13: Hoare triple {19367#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {19368#(and (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,373 INFO L290 TraceCheckUtils]: 14: Hoare triple {19368#(and (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,373 INFO L290 TraceCheckUtils]: 15: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,374 INFO L290 TraceCheckUtils]: 16: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,374 INFO L290 TraceCheckUtils]: 17: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,374 INFO L290 TraceCheckUtils]: 18: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,375 INFO L290 TraceCheckUtils]: 19: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:33,376 INFO L290 TraceCheckUtils]: 20: Hoare triple {19369#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:33,376 INFO L290 TraceCheckUtils]: 21: Hoare triple {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:33,376 INFO L290 TraceCheckUtils]: 22: Hoare triple {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:33,377 INFO L290 TraceCheckUtils]: 23: Hoare triple {19370#(= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19371#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} is VALID [2022-02-20 23:55:33,377 INFO L290 TraceCheckUtils]: 24: Hoare triple {19371#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {19371#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} is VALID [2022-02-20 23:55:33,377 INFO L290 TraceCheckUtils]: 25: Hoare triple {19371#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {19372#(= |ULTIMATE.start_main_#t~mem13#1| 0)} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 26: Hoare triple {19372#(= |ULTIMATE.start_main_#t~mem13#1| 0)} main_#t~short15#1 := 2 == main_#t~mem13#1; {19373#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 27: Hoare triple {19373#(not |ULTIMATE.start_main_#t~short15#1|)} assume main_#t~short15#1; {19361#false} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 28: Hoare triple {19361#false} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {19361#false} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 29: Hoare triple {19361#false} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {19361#false} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 30: Hoare triple {19361#false} main_#t~short18#1 := main_#t~short15#1; {19361#false} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 31: Hoare triple {19361#false} assume main_#t~short18#1; {19361#false} is VALID [2022-02-20 23:55:33,378 INFO L290 TraceCheckUtils]: 32: Hoare triple {19361#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {19361#false} is VALID [2022-02-20 23:55:33,379 INFO L290 TraceCheckUtils]: 33: Hoare triple {19361#false} assume !(4 + main_#t~mem16#1.offset <= #length[main_#t~mem16#1.base] && 0 <= main_#t~mem16#1.offset); {19361#false} is VALID [2022-02-20 23:55:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:33,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:33,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372593301] [2022-02-20 23:55:33,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372593301] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:33,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075345110] [2022-02-20 23:55:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:33,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:33,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 23:55:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-20 23:55:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:33,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:33,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:33,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:33,684 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:33,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:33,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:33,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:33,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:34,027 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:34,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:34,078 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:34,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-20 23:55:34,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 23:55:34,400 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:34,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-20 23:55:34,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 23:55:34,430 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:34,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:34,577 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:34,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:55:34,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 23:55:35,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-20 23:55:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:35,203 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:55:35,276 INFO L290 TraceCheckUtils]: 0: Hoare triple {19360#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {19360#true} is VALID [2022-02-20 23:55:35,277 INFO L290 TraceCheckUtils]: 1: Hoare triple {19360#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,278 INFO L290 TraceCheckUtils]: 2: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,279 INFO L290 TraceCheckUtils]: 3: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,279 INFO L290 TraceCheckUtils]: 4: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,280 INFO L290 TraceCheckUtils]: 5: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,281 INFO L290 TraceCheckUtils]: 6: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,282 INFO L290 TraceCheckUtils]: 7: Hoare triple {19363#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {19398#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,282 INFO L290 TraceCheckUtils]: 8: Hoare triple {19398#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19402#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,283 INFO L290 TraceCheckUtils]: 9: Hoare triple {19402#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19402#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:35,284 INFO L290 TraceCheckUtils]: 10: Hoare triple {19402#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {19409#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:35,285 INFO L290 TraceCheckUtils]: 11: Hoare triple {19409#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {19413#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:35,286 INFO L290 TraceCheckUtils]: 12: Hoare triple {19413#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {19413#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:35,287 INFO L290 TraceCheckUtils]: 13: Hoare triple {19413#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {19420#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:35,288 INFO L290 TraceCheckUtils]: 14: Hoare triple {19420#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,290 INFO L290 TraceCheckUtils]: 15: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,291 INFO L290 TraceCheckUtils]: 16: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,292 INFO L290 TraceCheckUtils]: 17: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,293 INFO L290 TraceCheckUtils]: 18: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,294 INFO L290 TraceCheckUtils]: 19: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,296 INFO L290 TraceCheckUtils]: 20: Hoare triple {19424#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:35,297 INFO L290 TraceCheckUtils]: 21: Hoare triple {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:35,298 INFO L290 TraceCheckUtils]: 22: Hoare triple {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:35,299 INFO L290 TraceCheckUtils]: 23: Hoare triple {19443#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:35,300 INFO L290 TraceCheckUtils]: 24: Hoare triple {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:35,301 INFO L290 TraceCheckUtils]: 25: Hoare triple {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:35,302 INFO L290 TraceCheckUtils]: 26: Hoare triple {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:35,302 INFO L290 TraceCheckUtils]: 27: Hoare triple {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:35,303 INFO L290 TraceCheckUtils]: 28: Hoare triple {19453#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {19469#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:35,304 INFO L290 TraceCheckUtils]: 29: Hoare triple {19469#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {19373#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:35,304 INFO L290 TraceCheckUtils]: 30: Hoare triple {19373#(not |ULTIMATE.start_main_#t~short15#1|)} main_#t~short18#1 := main_#t~short15#1; {19476#(not |ULTIMATE.start_main_#t~short18#1|)} is VALID [2022-02-20 23:55:35,305 INFO L290 TraceCheckUtils]: 31: Hoare triple {19476#(not |ULTIMATE.start_main_#t~short18#1|)} assume main_#t~short18#1; {19361#false} is VALID [2022-02-20 23:55:35,305 INFO L290 TraceCheckUtils]: 32: Hoare triple {19361#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {19361#false} is VALID [2022-02-20 23:55:35,305 INFO L290 TraceCheckUtils]: 33: Hoare triple {19361#false} assume !(4 + main_#t~mem16#1.offset <= #length[main_#t~mem16#1.base] && 0 <= main_#t~mem16#1.offset); {19361#false} is VALID [2022-02-20 23:55:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:35,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:35,478 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))))) is different from false [2022-02-20 23:55:35,550 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_836 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_835 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_835) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))))) is different from false [2022-02-20 23:55:35,565 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_835) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_836) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.offset|))) is different from false [2022-02-20 23:55:35,780 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int)) (or (and (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0)))) is different from false [2022-02-20 23:55:36,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:36,301 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 57 [2022-02-20 23:55:36,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:36,325 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 62 [2022-02-20 23:55:36,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:36,350 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 60 [2022-02-20 23:55:36,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:36,376 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 58 [2022-02-20 23:55:36,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 23:55:36,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-02-20 23:55:36,469 INFO L290 TraceCheckUtils]: 33: Hoare triple {19361#false} assume !(4 + main_#t~mem16#1.offset <= #length[main_#t~mem16#1.base] && 0 <= main_#t~mem16#1.offset); {19361#false} is VALID [2022-02-20 23:55:36,469 INFO L290 TraceCheckUtils]: 32: Hoare triple {19361#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {19361#false} is VALID [2022-02-20 23:55:36,469 INFO L290 TraceCheckUtils]: 31: Hoare triple {19476#(not |ULTIMATE.start_main_#t~short18#1|)} assume main_#t~short18#1; {19361#false} is VALID [2022-02-20 23:55:36,470 INFO L290 TraceCheckUtils]: 30: Hoare triple {19373#(not |ULTIMATE.start_main_#t~short15#1|)} main_#t~short18#1 := main_#t~short15#1; {19476#(not |ULTIMATE.start_main_#t~short18#1|)} is VALID [2022-02-20 23:55:36,470 INFO L290 TraceCheckUtils]: 29: Hoare triple {19498#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {19373#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:36,471 INFO L290 TraceCheckUtils]: 28: Hoare triple {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {19498#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem14#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:36,472 INFO L290 TraceCheckUtils]: 27: Hoare triple {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:36,472 INFO L290 TraceCheckUtils]: 26: Hoare triple {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:36,473 INFO L290 TraceCheckUtils]: 25: Hoare triple {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:36,474 INFO L290 TraceCheckUtils]: 24: Hoare triple {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:36,474 INFO L290 TraceCheckUtils]: 23: Hoare triple {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19502#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:36,475 INFO L290 TraceCheckUtils]: 22: Hoare triple {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:36,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:36,476 INFO L290 TraceCheckUtils]: 20: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {19518#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:36,480 WARN L290 TraceCheckUtils]: 19: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:55:36,481 INFO L290 TraceCheckUtils]: 18: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:36,482 INFO L290 TraceCheckUtils]: 17: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:36,483 INFO L290 TraceCheckUtils]: 16: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:36,486 WARN L290 TraceCheckUtils]: 15: Hoare triple {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:55:36,488 INFO L290 TraceCheckUtils]: 14: Hoare triple {19547#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {19528#(and (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:36,489 INFO L290 TraceCheckUtils]: 13: Hoare triple {19551#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {19547#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:36,490 INFO L290 TraceCheckUtils]: 12: Hoare triple {19551#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {19551#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:36,492 INFO L290 TraceCheckUtils]: 11: Hoare triple {19558#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {19551#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:36,496 INFO L290 TraceCheckUtils]: 10: Hoare triple {19562#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int)) (or (and (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {19558#(and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:55:36,501 WARN L290 TraceCheckUtils]: 9: Hoare triple {19562#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int)) (or (and (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19562#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int)) (or (and (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:55:36,505 WARN L290 TraceCheckUtils]: 8: Hoare triple {19569#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_62| Int)) (or (and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_62| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_62| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_62| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19562#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int)) (or (and (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:55:36,509 INFO L290 TraceCheckUtils]: 7: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {19569#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_11| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_62| Int)) (or (and (forall ((v_ArrVal_835 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_62| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_835) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_830 Int) (v_ArrVal_836 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_62| v_ArrVal_830)) |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_836) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_62| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|) 0))))} is VALID [2022-02-20 23:55:36,510 INFO L290 TraceCheckUtils]: 6: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,510 INFO L290 TraceCheckUtils]: 5: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,511 INFO L290 TraceCheckUtils]: 4: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,511 INFO L290 TraceCheckUtils]: 3: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,511 INFO L290 TraceCheckUtils]: 2: Hoare triple {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,512 INFO L290 TraceCheckUtils]: 1: Hoare triple {19360#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19573#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:36,512 INFO L290 TraceCheckUtils]: 0: Hoare triple {19360#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {19360#true} is VALID [2022-02-20 23:55:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 23:55:36,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075345110] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:36,513 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:36,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2022-02-20 23:55:36,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434927629] [2022-02-20 23:55:36,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:36,514 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:36,514 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:36,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:36,625 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 88 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:36,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-20 23:55:36,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-20 23:55:36,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=767, Unknown=15, NotChecked=236, Total=1122 [2022-02-20 23:55:36,627 INFO L87 Difference]: Start difference. First operand 221 states and 258 transitions. Second operand has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:43,365 INFO L93 Difference]: Finished difference Result 377 states and 421 transitions. [2022-02-20 23:55:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-20 23:55:43,365 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 332 transitions. [2022-02-20 23:55:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 332 transitions. [2022-02-20 23:55:43,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 54 states and 332 transitions. [2022-02-20 23:55:43,604 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 332 edges. 332 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:43,610 INFO L225 Difference]: With dead ends: 377 [2022-02-20 23:55:43,611 INFO L226 Difference]: Without dead ends: 377 [2022-02-20 23:55:43,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 53 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=756, Invalid=4062, Unknown=28, NotChecked=556, Total=5402 [2022-02-20 23:55:43,613 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 637 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1295 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:43,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 1268 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1080 Invalid, 0 Unknown, 1295 Unchecked, 1.0s Time] [2022-02-20 23:55:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-02-20 23:55:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 252. [2022-02-20 23:55:43,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:43,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 377 states. Second operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,620 INFO L74 IsIncluded]: Start isIncluded. First operand 377 states. Second operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,620 INFO L87 Difference]: Start difference. First operand 377 states. Second operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:43,627 INFO L93 Difference]: Finished difference Result 377 states and 421 transitions. [2022-02-20 23:55:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 421 transitions. [2022-02-20 23:55:43,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:43,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:43,629 INFO L74 IsIncluded]: Start isIncluded. First operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 377 states. [2022-02-20 23:55:43,629 INFO L87 Difference]: Start difference. First operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 377 states. [2022-02-20 23:55:43,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:43,637 INFO L93 Difference]: Finished difference Result 377 states and 421 transitions. [2022-02-20 23:55:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 421 transitions. [2022-02-20 23:55:43,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:43,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:43,639 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:43,639 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 251 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 293 transitions. [2022-02-20 23:55:43,644 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 293 transitions. Word has length 34 [2022-02-20 23:55:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:43,644 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 293 transitions. [2022-02-20 23:55:43,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 293 transitions. [2022-02-20 23:55:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 23:55:43,646 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:43,646 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:43,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:43,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-02-20 23:55:43,868 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:43,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:43,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1109022446, now seen corresponding path program 1 times [2022-02-20 23:55:43,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:43,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937067574] [2022-02-20 23:55:43,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:43,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:44,107 INFO L290 TraceCheckUtils]: 0: Hoare triple {21068#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {21068#true} is VALID [2022-02-20 23:55:44,108 INFO L290 TraceCheckUtils]: 1: Hoare triple {21068#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21070#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:44,108 INFO L290 TraceCheckUtils]: 2: Hoare triple {21070#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,120 INFO L290 TraceCheckUtils]: 3: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,121 INFO L290 TraceCheckUtils]: 4: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,121 INFO L290 TraceCheckUtils]: 5: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,122 INFO L290 TraceCheckUtils]: 6: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,123 INFO L290 TraceCheckUtils]: 7: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {21072#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,123 INFO L290 TraceCheckUtils]: 8: Hoare triple {21072#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21073#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {21073#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21073#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,124 INFO L290 TraceCheckUtils]: 10: Hoare triple {21073#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {21074#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:44,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {21074#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {21075#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:44,126 INFO L290 TraceCheckUtils]: 12: Hoare triple {21075#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {21075#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:44,126 INFO L290 TraceCheckUtils]: 13: Hoare triple {21075#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {21076#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:44,127 INFO L290 TraceCheckUtils]: 14: Hoare triple {21076#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,128 INFO L290 TraceCheckUtils]: 15: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,128 INFO L290 TraceCheckUtils]: 16: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,129 INFO L290 TraceCheckUtils]: 17: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,129 INFO L290 TraceCheckUtils]: 18: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1; {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,130 INFO L290 TraceCheckUtils]: 19: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-19 {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,131 INFO L290 TraceCheckUtils]: 20: Hoare triple {21077#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-20 {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,131 INFO L290 TraceCheckUtils]: 21: Hoare triple {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,132 INFO L290 TraceCheckUtils]: 22: Hoare triple {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,132 INFO L290 TraceCheckUtils]: 23: Hoare triple {21078#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:44,133 INFO L290 TraceCheckUtils]: 24: Hoare triple {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:44,133 INFO L290 TraceCheckUtils]: 25: Hoare triple {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:44,134 INFO L290 TraceCheckUtils]: 26: Hoare triple {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:44,134 INFO L290 TraceCheckUtils]: 27: Hoare triple {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short15#1; {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:44,135 INFO L290 TraceCheckUtils]: 28: Hoare triple {21079#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {21080#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} is VALID [2022-02-20 23:55:44,135 INFO L290 TraceCheckUtils]: 29: Hoare triple {21080#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem14#1.base|))} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:44,135 INFO L290 TraceCheckUtils]: 30: Hoare triple {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} main_#t~short18#1 := main_#t~short15#1; {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:44,136 INFO L290 TraceCheckUtils]: 31: Hoare triple {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} assume main_#t~short18#1; {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:55:44,136 INFO L290 TraceCheckUtils]: 32: Hoare triple {21081#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {21082#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:55:44,136 INFO L290 TraceCheckUtils]: 33: Hoare triple {21082#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {21069#false} is VALID [2022-02-20 23:55:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:44,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:44,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937067574] [2022-02-20 23:55:44,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937067574] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:44,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682066588] [2022-02-20 23:55:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:44,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:44,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:44,139 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:44,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 23:55:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:44,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-20 23:55:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:44,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:44,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:44,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:44,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-02-20 23:55:44,402 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:44,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:44,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:44,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:44,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:44,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:44,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:44,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:44,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:44,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:44,767 INFO L290 TraceCheckUtils]: 0: Hoare triple {21068#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {21068#true} is VALID [2022-02-20 23:55:44,768 INFO L290 TraceCheckUtils]: 1: Hoare triple {21068#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,768 INFO L290 TraceCheckUtils]: 2: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,769 INFO L290 TraceCheckUtils]: 3: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,769 INFO L290 TraceCheckUtils]: 4: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,770 INFO L290 TraceCheckUtils]: 5: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,770 INFO L290 TraceCheckUtils]: 6: Hoare triple {21071#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {21104#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,771 INFO L290 TraceCheckUtils]: 7: Hoare triple {21104#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {21104#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,771 INFO L290 TraceCheckUtils]: 8: Hoare triple {21104#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21111#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,772 INFO L290 TraceCheckUtils]: 9: Hoare triple {21111#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21111#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,772 INFO L290 TraceCheckUtils]: 10: Hoare triple {21111#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {21118#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,773 INFO L290 TraceCheckUtils]: 11: Hoare triple {21118#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {21122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,773 INFO L290 TraceCheckUtils]: 12: Hoare triple {21122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {21122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,774 INFO L290 TraceCheckUtils]: 13: Hoare triple {21122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {21129#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,774 INFO L290 TraceCheckUtils]: 14: Hoare triple {21129#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,775 INFO L290 TraceCheckUtils]: 15: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,775 INFO L290 TraceCheckUtils]: 16: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,776 INFO L290 TraceCheckUtils]: 17: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,776 INFO L290 TraceCheckUtils]: 18: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1; {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,777 INFO L290 TraceCheckUtils]: 19: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~int(1, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-19 {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,777 INFO L290 TraceCheckUtils]: 20: Hoare triple {21133#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-20 {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,778 INFO L290 TraceCheckUtils]: 21: Hoare triple {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,778 INFO L290 TraceCheckUtils]: 22: Hoare triple {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:44,778 INFO L290 TraceCheckUtils]: 23: Hoare triple {21152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21162#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:44,779 INFO L290 TraceCheckUtils]: 24: Hoare triple {21162#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21162#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:44,779 INFO L290 TraceCheckUtils]: 25: Hoare triple {21162#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {21169#(= |ULTIMATE.start_main_#t~mem13#1| 0)} is VALID [2022-02-20 23:55:44,779 INFO L290 TraceCheckUtils]: 26: Hoare triple {21169#(= |ULTIMATE.start_main_#t~mem13#1| 0)} main_#t~short15#1 := 2 == main_#t~mem13#1; {21173#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 27: Hoare triple {21173#(not |ULTIMATE.start_main_#t~short15#1|)} assume main_#t~short15#1; {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 28: Hoare triple {21069#false} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 29: Hoare triple {21069#false} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 30: Hoare triple {21069#false} main_#t~short18#1 := main_#t~short15#1; {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 31: Hoare triple {21069#false} assume main_#t~short18#1; {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 32: Hoare triple {21069#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L290 TraceCheckUtils]: 33: Hoare triple {21069#false} assume !(1 == #valid[main_#t~mem16#1.base]); {21069#false} is VALID [2022-02-20 23:55:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:44,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:44,841 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:55:44,861 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:55:44,866 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:55:44,887 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |c_ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:55:45,100 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) 2)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:55:45,266 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (v_ArrVal_933 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= 2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4) v_ArrVal_933) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:55:45,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:45,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:45,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:45,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 42 [2022-02-20 23:55:45,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2022-02-20 23:55:45,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-02-20 23:55:45,453 INFO L290 TraceCheckUtils]: 33: Hoare triple {21069#false} assume !(1 == #valid[main_#t~mem16#1.base]); {21069#false} is VALID [2022-02-20 23:55:45,454 INFO L290 TraceCheckUtils]: 32: Hoare triple {21069#false} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-8 {21069#false} is VALID [2022-02-20 23:55:45,454 INFO L290 TraceCheckUtils]: 31: Hoare triple {21069#false} assume main_#t~short18#1; {21069#false} is VALID [2022-02-20 23:55:45,454 INFO L290 TraceCheckUtils]: 30: Hoare triple {21069#false} main_#t~short18#1 := main_#t~short15#1; {21069#false} is VALID [2022-02-20 23:55:45,454 INFO L290 TraceCheckUtils]: 29: Hoare triple {21069#false} main_#t~short15#1 := main_#t~mem14#1.base != main_~x~0#1.base || main_#t~mem14#1.offset != main_~x~0#1.offset; {21069#false} is VALID [2022-02-20 23:55:45,454 INFO L290 TraceCheckUtils]: 28: Hoare triple {21069#false} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-3 {21069#false} is VALID [2022-02-20 23:55:45,455 INFO L290 TraceCheckUtils]: 27: Hoare triple {21173#(not |ULTIMATE.start_main_#t~short15#1|)} assume main_#t~short15#1; {21069#false} is VALID [2022-02-20 23:55:45,455 INFO L290 TraceCheckUtils]: 26: Hoare triple {21216#(not (= 2 |ULTIMATE.start_main_#t~mem13#1|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {21173#(not |ULTIMATE.start_main_#t~short15#1|)} is VALID [2022-02-20 23:55:45,455 INFO L290 TraceCheckUtils]: 25: Hoare triple {21220#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {21216#(not (= 2 |ULTIMATE.start_main_#t~mem13#1|))} is VALID [2022-02-20 23:55:45,456 INFO L290 TraceCheckUtils]: 24: Hoare triple {21220#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21220#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:45,456 INFO L290 TraceCheckUtils]: 23: Hoare triple {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21220#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:45,456 INFO L290 TraceCheckUtils]: 22: Hoare triple {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:45,457 INFO L290 TraceCheckUtils]: 21: Hoare triple {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:45,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-20 {21227#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:45,459 INFO L290 TraceCheckUtils]: 19: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call write~int(1, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-19 {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,460 INFO L290 TraceCheckUtils]: 18: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1; {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,460 INFO L290 TraceCheckUtils]: 17: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,460 INFO L290 TraceCheckUtils]: 16: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,462 INFO L290 TraceCheckUtils]: 15: Hoare triple {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,462 INFO L290 TraceCheckUtils]: 14: Hoare triple {21256#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {21237#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,463 INFO L290 TraceCheckUtils]: 13: Hoare triple {21260#(forall ((v_ArrVal_940 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {21256#(forall ((v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:45,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {21260#(forall ((v_ArrVal_940 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {21260#(forall ((v_ArrVal_940 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)))} is VALID [2022-02-20 23:55:45,464 INFO L290 TraceCheckUtils]: 11: Hoare triple {21267#(forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {21260#(forall ((v_ArrVal_940 (Array Int Int))) (not (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)))} is VALID [2022-02-20 23:55:45,467 WARN L290 TraceCheckUtils]: 10: Hoare triple {21271#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int)) (or (forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {21267#(forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= 2 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is UNKNOWN [2022-02-20 23:55:45,469 WARN L290 TraceCheckUtils]: 9: Hoare triple {21271#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int)) (or (forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21271#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int)) (or (forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0))))} is UNKNOWN [2022-02-20 23:55:45,470 WARN L290 TraceCheckUtils]: 8: Hoare triple {21278#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21271#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int)) (or (forall ((v_ArrVal_934 Int) (v_ArrVal_940 (Array Int Int))) (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0))))} is UNKNOWN [2022-02-20 23:55:45,473 WARN L290 TraceCheckUtils]: 7: Hoare triple {21282#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (v_ArrVal_933 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= 2 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4) v_ArrVal_933) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {21278#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 2)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:55:45,474 INFO L290 TraceCheckUtils]: 6: Hoare triple {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {21282#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_14| Int) (v_ArrVal_934 Int) (v_ArrVal_933 Int) (|v_ULTIMATE.start_main_~x~0#1.offset_66| Int) (v_ArrVal_940 (Array Int Int))) (or (not (= 2 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4) v_ArrVal_933) |v_ULTIMATE.start_main_~x~0#1.offset_66| v_ArrVal_934)) |v_ULTIMATE.start_main_#t~malloc7#1.base_14| v_ArrVal_940) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_14|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_66| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,475 INFO L290 TraceCheckUtils]: 5: Hoare triple {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,475 INFO L290 TraceCheckUtils]: 4: Hoare triple {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,475 INFO L290 TraceCheckUtils]: 3: Hoare triple {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,476 INFO L290 TraceCheckUtils]: 2: Hoare triple {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,476 INFO L290 TraceCheckUtils]: 1: Hoare triple {21068#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21286#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,476 INFO L290 TraceCheckUtils]: 0: Hoare triple {21068#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {21068#true} is VALID [2022-02-20 23:55:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:45,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682066588] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:45,477 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:45,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 36 [2022-02-20 23:55:45,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101099248] [2022-02-20 23:55:45,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:45,478 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:45,478 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:45,478 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:45,581 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 86 inductive. 0 not inductive. 4 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:45,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-20 23:55:45,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:45,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-20 23:55:45,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=772, Unknown=6, NotChecked=366, Total=1260 [2022-02-20 23:55:45,583 INFO L87 Difference]: Start difference. First operand 252 states and 293 transitions. Second operand has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,949 INFO L93 Difference]: Finished difference Result 739 states and 827 transitions. [2022-02-20 23:55:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-02-20 23:55:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 23:55:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 621 transitions. [2022-02-20 23:55:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 621 transitions. [2022-02-20 23:55:50,954 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 67 states and 621 transitions. [2022-02-20 23:55:51,344 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 621 edges. 612 inductive. 0 not inductive. 9 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,368 INFO L225 Difference]: With dead ends: 739 [2022-02-20 23:55:51,368 INFO L226 Difference]: Without dead ends: 739 [2022-02-20 23:55:51,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 55 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1100, Invalid=5709, Unknown=21, NotChecked=1002, Total=7832 [2022-02-20 23:55:51,371 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 1250 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 3187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1478 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:51,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 1544 Invalid, 3187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1489 Invalid, 0 Unknown, 1478 Unchecked, 1.3s Time] [2022-02-20 23:55:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-02-20 23:55:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 248. [2022-02-20 23:55:51,390 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:51,390 INFO L82 GeneralOperation]: Start isEquivalent. First operand 739 states. Second operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,390 INFO L74 IsIncluded]: Start isIncluded. First operand 739 states. Second operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,390 INFO L87 Difference]: Start difference. First operand 739 states. Second operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,406 INFO L93 Difference]: Finished difference Result 739 states and 827 transitions. [2022-02-20 23:55:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 827 transitions. [2022-02-20 23:55:51,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,407 INFO L74 IsIncluded]: Start isIncluded. First operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 739 states. [2022-02-20 23:55:51,407 INFO L87 Difference]: Start difference. First operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 739 states. [2022-02-20 23:55:51,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,423 INFO L93 Difference]: Finished difference Result 739 states and 827 transitions. [2022-02-20 23:55:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 827 transitions. [2022-02-20 23:55:51,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:51,425 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 227 states have (on average 1.277533039647577) internal successors, (290), 247 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 290 transitions. [2022-02-20 23:55:51,427 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 290 transitions. Word has length 34 [2022-02-20 23:55:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:51,428 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 290 transitions. [2022-02-20 23:55:51,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.5) internal successors, (90), 36 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 290 transitions. [2022-02-20 23:55:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-20 23:55:51,428 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:51,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:51,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:51,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-20 23:55:51,638 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:51,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:51,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1970599096, now seen corresponding path program 1 times [2022-02-20 23:55:51,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:51,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462724668] [2022-02-20 23:55:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,722 INFO L290 TraceCheckUtils]: 0: Hoare triple {23888#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {23888#true} is VALID [2022-02-20 23:55:51,723 INFO L290 TraceCheckUtils]: 1: Hoare triple {23888#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,724 INFO L290 TraceCheckUtils]: 2: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,724 INFO L290 TraceCheckUtils]: 3: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,724 INFO L290 TraceCheckUtils]: 4: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,725 INFO L290 TraceCheckUtils]: 5: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,725 INFO L290 TraceCheckUtils]: 6: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,726 INFO L290 TraceCheckUtils]: 8: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,726 INFO L290 TraceCheckUtils]: 9: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,726 INFO L290 TraceCheckUtils]: 10: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,727 INFO L290 TraceCheckUtils]: 11: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,727 INFO L290 TraceCheckUtils]: 12: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,728 INFO L290 TraceCheckUtils]: 13: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,729 INFO L290 TraceCheckUtils]: 14: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short15#1 := 2 == main_#t~mem13#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short15#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,729 INFO L290 TraceCheckUtils]: 16: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short18#1 := main_#t~short15#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,730 INFO L290 TraceCheckUtils]: 17: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short18#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,730 INFO L290 TraceCheckUtils]: 18: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short20#1 := main_#t~short18#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,730 INFO L290 TraceCheckUtils]: 19: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short20#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,731 INFO L290 TraceCheckUtils]: 20: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,731 INFO L290 TraceCheckUtils]: 21: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,731 INFO L290 TraceCheckUtils]: 22: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,732 INFO L290 TraceCheckUtils]: 23: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,732 INFO L290 TraceCheckUtils]: 24: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,732 INFO L290 TraceCheckUtils]: 25: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,733 INFO L290 TraceCheckUtils]: 26: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,733 INFO L290 TraceCheckUtils]: 27: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23891#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,734 INFO L290 TraceCheckUtils]: 28: Hoare triple {23891#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,734 INFO L290 TraceCheckUtils]: 29: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1016 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,734 INFO L290 TraceCheckUtils]: 30: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,735 INFO L290 TraceCheckUtils]: 31: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem23#1 := read~int(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1017 {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,735 INFO L290 TraceCheckUtils]: 32: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(2 == main_#t~mem23#1);havoc main_#t~mem23#1; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,735 INFO L290 TraceCheckUtils]: 33: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~head~0#1.offset; {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:51,736 INFO L290 TraceCheckUtils]: 34: Hoare triple {23890#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~head~0#1.base < #StackHeapBarrier); {23889#false} is VALID [2022-02-20 23:55:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:51,736 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:51,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462724668] [2022-02-20 23:55:51,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462724668] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:51,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:51,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:51,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74700358] [2022-02-20 23:55:51,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:51,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-02-20 23:55:51,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:51,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,763 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:51,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:51,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:51,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:51,765 INFO L87 Difference]: Start difference. First operand 248 states and 290 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,027 INFO L93 Difference]: Finished difference Result 262 states and 298 transitions. [2022-02-20 23:55:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-02-20 23:55:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 156 transitions. [2022-02-20 23:55:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 156 transitions. [2022-02-20 23:55:52,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 156 transitions. [2022-02-20 23:55:52,116 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:52,118 INFO L225 Difference]: With dead ends: 262 [2022-02-20 23:55:52,118 INFO L226 Difference]: Without dead ends: 262 [2022-02-20 23:55:52,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:52,121 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 115 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:52,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 134 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-02-20 23:55:52,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 250. [2022-02-20 23:55:52,138 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:52,139 INFO L82 GeneralOperation]: Start isEquivalent. First operand 262 states. Second operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,139 INFO L74 IsIncluded]: Start isIncluded. First operand 262 states. Second operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,139 INFO L87 Difference]: Start difference. First operand 262 states. Second operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,143 INFO L93 Difference]: Finished difference Result 262 states and 298 transitions. [2022-02-20 23:55:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 298 transitions. [2022-02-20 23:55:52,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:52,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:52,145 INFO L74 IsIncluded]: Start isIncluded. First operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 262 states. [2022-02-20 23:55:52,145 INFO L87 Difference]: Start difference. First operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 262 states. [2022-02-20 23:55:52,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,150 INFO L93 Difference]: Finished difference Result 262 states and 298 transitions. [2022-02-20 23:55:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 298 transitions. [2022-02-20 23:55:52,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:52,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:52,150 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:52,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 229 states have (on average 1.275109170305677) internal successors, (292), 249 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 292 transitions. [2022-02-20 23:55:52,155 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 292 transitions. Word has length 35 [2022-02-20 23:55:52,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:52,155 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 292 transitions. [2022-02-20 23:55:52,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 292 transitions. [2022-02-20 23:55:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-20 23:55:52,156 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:52,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:52,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-20 23:55:52,156 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:52,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1970588111, now seen corresponding path program 1 times [2022-02-20 23:55:52,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:52,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274007099] [2022-02-20 23:55:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:52,346 INFO L290 TraceCheckUtils]: 0: Hoare triple {24932#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {24932#true} is VALID [2022-02-20 23:55:52,347 INFO L290 TraceCheckUtils]: 1: Hoare triple {24932#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,347 INFO L290 TraceCheckUtils]: 2: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,348 INFO L290 TraceCheckUtils]: 3: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,348 INFO L290 TraceCheckUtils]: 4: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,349 INFO L290 TraceCheckUtils]: 5: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,349 INFO L290 TraceCheckUtils]: 6: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,351 INFO L290 TraceCheckUtils]: 10: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,351 INFO L290 TraceCheckUtils]: 11: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24935#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,352 INFO L290 TraceCheckUtils]: 12: Hoare triple {24935#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24935#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,352 INFO L290 TraceCheckUtils]: 13: Hoare triple {24935#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {24936#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem13#1|))} is VALID [2022-02-20 23:55:52,353 INFO L290 TraceCheckUtils]: 14: Hoare triple {24936#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem13#1|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {24937#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or |ULTIMATE.start_main_#t~short15#1| (and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:55:52,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {24937#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or |ULTIMATE.start_main_#t~short15#1| (and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume !main_#t~short15#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,355 INFO L290 TraceCheckUtils]: 16: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_#t~short18#1 := main_#t~short15#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,355 INFO L290 TraceCheckUtils]: 17: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !main_#t~short18#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_#t~short20#1 := main_#t~short18#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !main_#t~short20#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,363 INFO L290 TraceCheckUtils]: 20: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,364 INFO L290 TraceCheckUtils]: 21: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,364 INFO L290 TraceCheckUtils]: 22: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,365 INFO L290 TraceCheckUtils]: 23: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} goto; {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} is VALID [2022-02-20 23:55:52,365 INFO L290 TraceCheckUtils]: 24: Hoare triple {24938#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,366 INFO L290 TraceCheckUtils]: 25: Hoare triple {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,366 INFO L290 TraceCheckUtils]: 26: Hoare triple {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,366 INFO L290 TraceCheckUtils]: 27: Hoare triple {24939#(and (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24940#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 8) 2)))} is VALID [2022-02-20 23:55:52,367 INFO L290 TraceCheckUtils]: 28: Hoare triple {24940#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 8) 2)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:52,367 INFO L290 TraceCheckUtils]: 29: Hoare triple {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1016 {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:52,368 INFO L290 TraceCheckUtils]: 30: Hoare triple {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:55:52,368 INFO L290 TraceCheckUtils]: 31: Hoare triple {24941#(not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call main_#t~mem23#1 := read~int(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1017 {24942#(not (= 2 |ULTIMATE.start_main_#t~mem23#1|))} is VALID [2022-02-20 23:55:52,368 INFO L290 TraceCheckUtils]: 32: Hoare triple {24942#(not (= 2 |ULTIMATE.start_main_#t~mem23#1|))} assume 2 == main_#t~mem23#1;havoc main_#t~mem23#1; {24933#false} is VALID [2022-02-20 23:55:52,369 INFO L290 TraceCheckUtils]: 33: Hoare triple {24933#false} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1018 {24933#false} is VALID [2022-02-20 23:55:52,369 INFO L290 TraceCheckUtils]: 34: Hoare triple {24933#false} assume !(0 == main_#t~mem24#1.offset); {24933#false} is VALID [2022-02-20 23:55:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:52,369 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:52,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274007099] [2022-02-20 23:55:52,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274007099] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:52,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749917918] [2022-02-20 23:55:52,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:52,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:52,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:52,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 23:55:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:52,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-20 23:55:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:52,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:53,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:53,452 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:53,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-02-20 23:55:53,467 INFO L290 TraceCheckUtils]: 0: Hoare triple {24932#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {24932#true} is VALID [2022-02-20 23:55:53,468 INFO L290 TraceCheckUtils]: 1: Hoare triple {24932#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,468 INFO L290 TraceCheckUtils]: 2: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,468 INFO L290 TraceCheckUtils]: 3: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,469 INFO L290 TraceCheckUtils]: 4: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,469 INFO L290 TraceCheckUtils]: 5: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,469 INFO L290 TraceCheckUtils]: 6: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,470 INFO L290 TraceCheckUtils]: 8: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:53,471 INFO L290 TraceCheckUtils]: 11: Hoare triple {24934#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,471 INFO L290 TraceCheckUtils]: 12: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,472 INFO L290 TraceCheckUtils]: 13: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,472 INFO L290 TraceCheckUtils]: 14: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,472 INFO L290 TraceCheckUtils]: 15: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short15#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,473 INFO L290 TraceCheckUtils]: 16: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short18#1 := main_#t~short15#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,473 INFO L290 TraceCheckUtils]: 17: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short18#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,474 INFO L290 TraceCheckUtils]: 18: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short20#1 := main_#t~short18#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,474 INFO L290 TraceCheckUtils]: 19: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short20#1; {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,475 INFO L290 TraceCheckUtils]: 20: Hoare triple {24979#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {25007#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {25007#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {25011#(and (or (not |ULTIMATE.start_main_#t~short20#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,476 INFO L290 TraceCheckUtils]: 22: Hoare triple {25011#(and (or (not |ULTIMATE.start_main_#t~short20#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {25015#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,476 INFO L290 TraceCheckUtils]: 23: Hoare triple {25015#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {25015#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,477 INFO L290 TraceCheckUtils]: 24: Hoare triple {25015#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,478 INFO L290 TraceCheckUtils]: 25: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,478 INFO L290 TraceCheckUtils]: 26: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,479 INFO L290 TraceCheckUtils]: 27: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {25032#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_68| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_68| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_68|)) |v_ULTIMATE.start_main_~x~0#1.offset_68|) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_68|))))} is VALID [2022-02-20 23:55:53,479 INFO L290 TraceCheckUtils]: 28: Hoare triple {25032#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_68| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_68| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_68|)) |v_ULTIMATE.start_main_~x~0#1.offset_68|) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_68|))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {25036#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_68| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_68| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_68|)) |v_ULTIMATE.start_main_~x~0#1.offset_68|) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_68|))))} is VALID [2022-02-20 23:55:53,480 INFO L290 TraceCheckUtils]: 29: Hoare triple {25036#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_68| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_68| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_68|)) |v_ULTIMATE.start_main_~x~0#1.offset_68|) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_68|))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1016 {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,481 INFO L290 TraceCheckUtils]: 30: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,482 INFO L290 TraceCheckUtils]: 31: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem23#1 := read~int(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1017 {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,482 INFO L290 TraceCheckUtils]: 32: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 2 == main_#t~mem23#1;havoc main_#t~mem23#1; {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:53,483 INFO L290 TraceCheckUtils]: 33: Hoare triple {25022#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.offset|) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1018 {25052#(and (<= 0 |ULTIMATE.start_main_#t~mem24#1.offset|) (<= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} is VALID [2022-02-20 23:55:53,484 INFO L290 TraceCheckUtils]: 34: Hoare triple {25052#(and (<= 0 |ULTIMATE.start_main_#t~mem24#1.offset|) (<= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} assume !(0 == main_#t~mem24#1.offset); {24933#false} is VALID [2022-02-20 23:55:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:53,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:54,416 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:54,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 27 [2022-02-20 23:55:54,768 INFO L290 TraceCheckUtils]: 34: Hoare triple {25052#(and (<= 0 |ULTIMATE.start_main_#t~mem24#1.offset|) (<= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} assume !(0 == main_#t~mem24#1.offset); {24933#false} is VALID [2022-02-20 23:55:54,770 INFO L290 TraceCheckUtils]: 33: Hoare triple {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1018 {25052#(and (<= 0 |ULTIMATE.start_main_#t~mem24#1.offset|) (<= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} is VALID [2022-02-20 23:55:54,770 INFO L290 TraceCheckUtils]: 32: Hoare triple {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} assume 2 == main_#t~mem23#1;havoc main_#t~mem23#1; {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:54,771 INFO L290 TraceCheckUtils]: 31: Hoare triple {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem23#1 := read~int(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1017 {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:54,772 INFO L290 TraceCheckUtils]: 30: Hoare triple {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:54,776 INFO L290 TraceCheckUtils]: 29: Hoare triple {25072#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1016 {25059#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:54,777 INFO L290 TraceCheckUtils]: 28: Hoare triple {25076#(or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {25072#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 23:55:54,778 INFO L290 TraceCheckUtils]: 27: Hoare triple {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {25076#(or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:55:54,778 INFO L290 TraceCheckUtils]: 26: Hoare triple {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:54,779 INFO L290 TraceCheckUtils]: 25: Hoare triple {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem21#1.base, main_#t~mem21#1.offset;havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:54,780 INFO L290 TraceCheckUtils]: 24: Hoare triple {25090#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007-22 {25080#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:54,781 INFO L290 TraceCheckUtils]: 23: Hoare triple {25090#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} goto; {25090#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:54,782 INFO L290 TraceCheckUtils]: 22: Hoare triple {25097#(or (not |ULTIMATE.start_main_#t~short20#1|) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} assume !!main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {25090#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:54,783 INFO L290 TraceCheckUtils]: 21: Hoare triple {25101#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {25097#(or (not |ULTIMATE.start_main_#t~short20#1|) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:54,784 INFO L290 TraceCheckUtils]: 20: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {25101#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_70| Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_70|)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_70|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_70| |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:54,784 INFO L290 TraceCheckUtils]: 19: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short20#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,785 INFO L290 TraceCheckUtils]: 18: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short20#1 := main_#t~short18#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,785 INFO L290 TraceCheckUtils]: 17: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short18#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,786 INFO L290 TraceCheckUtils]: 16: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short18#1 := main_#t~short15#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,786 INFO L290 TraceCheckUtils]: 15: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short15#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,787 INFO L290 TraceCheckUtils]: 14: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short15#1 := 2 == main_#t~mem13#1; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,788 INFO L290 TraceCheckUtils]: 13: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,788 INFO L290 TraceCheckUtils]: 12: Hoare triple {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,789 INFO L290 TraceCheckUtils]: 11: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {25105#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:54,789 INFO L290 TraceCheckUtils]: 10: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,789 INFO L290 TraceCheckUtils]: 9: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,790 INFO L290 TraceCheckUtils]: 8: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,790 INFO L290 TraceCheckUtils]: 7: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,790 INFO L290 TraceCheckUtils]: 6: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,790 INFO L290 TraceCheckUtils]: 5: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,791 INFO L290 TraceCheckUtils]: 4: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,791 INFO L290 TraceCheckUtils]: 3: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,791 INFO L290 TraceCheckUtils]: 2: Hoare triple {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,792 INFO L290 TraceCheckUtils]: 1: Hoare triple {24932#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {25133#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:54,792 INFO L290 TraceCheckUtils]: 0: Hoare triple {24932#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {24932#true} is VALID [2022-02-20 23:55:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:54,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749917918] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:54,793 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:54,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 28 [2022-02-20 23:55:54,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701453978] [2022-02-20 23:55:54,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:54,794 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-02-20 23:55:54,794 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:54,794 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:54,889 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:54,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 23:55:54,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 23:55:54,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2022-02-20 23:55:54,891 INFO L87 Difference]: Start difference. First operand 250 states and 292 transitions. Second operand has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,596 INFO L93 Difference]: Finished difference Result 279 states and 322 transitions. [2022-02-20 23:55:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 23:55:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-02-20 23:55:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 172 transitions. [2022-02-20 23:55:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 172 transitions. [2022-02-20 23:55:56,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 172 transitions. [2022-02-20 23:55:56,715 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:56,717 INFO L225 Difference]: With dead ends: 279 [2022-02-20 23:55:56,717 INFO L226 Difference]: Without dead ends: 279 [2022-02-20 23:55:56,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 7 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=340, Invalid=1382, Unknown=0, NotChecked=0, Total=1722 [2022-02-20 23:55:56,719 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 237 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 172 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:56,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 736 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 416 Invalid, 0 Unknown, 172 Unchecked, 0.4s Time] [2022-02-20 23:55:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-20 23:55:56,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 278. [2022-02-20 23:55:56,725 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:56,725 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,726 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,726 INFO L87 Difference]: Start difference. First operand 279 states. Second operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,729 INFO L93 Difference]: Finished difference Result 279 states and 322 transitions. [2022-02-20 23:55:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 322 transitions. [2022-02-20 23:55:56,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:56,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:56,730 INFO L74 IsIncluded]: Start isIncluded. First operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 279 states. [2022-02-20 23:55:56,730 INFO L87 Difference]: Start difference. First operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 279 states. [2022-02-20 23:55:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,733 INFO L93 Difference]: Finished difference Result 279 states and 322 transitions. [2022-02-20 23:55:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 322 transitions. [2022-02-20 23:55:56,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:56,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:56,734 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:56,734 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 277 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 321 transitions. [2022-02-20 23:55:56,737 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 321 transitions. Word has length 35 [2022-02-20 23:55:56,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:56,738 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 321 transitions. [2022-02-20 23:55:56,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 321 transitions. [2022-02-20 23:55:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:55:56,738 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:56,738 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:56,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:56,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-20 23:55:56,953 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:55:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:56,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1824477449, now seen corresponding path program 1 times [2022-02-20 23:55:56,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:56,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026452494] [2022-02-20 23:55:56,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:56,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:57,251 INFO L290 TraceCheckUtils]: 0: Hoare triple {26316#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {26316#true} is VALID [2022-02-20 23:55:57,252 INFO L290 TraceCheckUtils]: 1: Hoare triple {26316#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {26318#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:57,253 INFO L290 TraceCheckUtils]: 2: Hoare triple {26318#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,253 INFO L290 TraceCheckUtils]: 3: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,253 INFO L290 TraceCheckUtils]: 4: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,254 INFO L290 TraceCheckUtils]: 5: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,254 INFO L290 TraceCheckUtils]: 6: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,255 INFO L290 TraceCheckUtils]: 7: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {26320#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,256 INFO L290 TraceCheckUtils]: 8: Hoare triple {26320#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,256 INFO L290 TraceCheckUtils]: 9: Hoare triple {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,257 INFO L290 TraceCheckUtils]: 10: Hoare triple {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {26322#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:57,258 INFO L290 TraceCheckUtils]: 11: Hoare triple {26322#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:57,258 INFO L290 TraceCheckUtils]: 12: Hoare triple {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:57,259 INFO L290 TraceCheckUtils]: 13: Hoare triple {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {26324#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:57,260 INFO L290 TraceCheckUtils]: 14: Hoare triple {26324#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,260 INFO L290 TraceCheckUtils]: 15: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,261 INFO L290 TraceCheckUtils]: 16: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,261 INFO L290 TraceCheckUtils]: 17: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,262 INFO L290 TraceCheckUtils]: 18: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,263 INFO L290 TraceCheckUtils]: 19: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,264 INFO L290 TraceCheckUtils]: 20: Hoare triple {26325#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,264 INFO L290 TraceCheckUtils]: 21: Hoare triple {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,264 INFO L290 TraceCheckUtils]: 22: Hoare triple {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:57,265 INFO L290 TraceCheckUtils]: 23: Hoare triple {26326#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,265 INFO L290 TraceCheckUtils]: 24: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,266 INFO L290 TraceCheckUtils]: 25: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,266 INFO L290 TraceCheckUtils]: 26: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,266 INFO L290 TraceCheckUtils]: 27: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short15#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,267 INFO L290 TraceCheckUtils]: 28: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short18#1 := main_#t~short15#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,267 INFO L290 TraceCheckUtils]: 29: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short18#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,268 INFO L290 TraceCheckUtils]: 30: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,268 INFO L290 TraceCheckUtils]: 31: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:57,268 INFO L290 TraceCheckUtils]: 32: Hoare triple {26327#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {26328#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:55:57,269 INFO L290 TraceCheckUtils]: 33: Hoare triple {26328#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {26329#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:57,269 INFO L290 TraceCheckUtils]: 34: Hoare triple {26329#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {26317#false} is VALID [2022-02-20 23:55:57,269 INFO L290 TraceCheckUtils]: 35: Hoare triple {26317#false} assume !false; {26317#false} is VALID [2022-02-20 23:55:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:57,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:57,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026452494] [2022-02-20 23:55:57,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026452494] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:57,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281472207] [2022-02-20 23:55:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:57,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:57,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:57,271 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:57,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:55:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:57,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-20 23:55:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:57,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:57,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:57,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:57,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:57,539 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:57,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:57,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:57,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:57,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:57,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:57,929 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:57,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:57,977 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:57,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-20 23:55:57,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 23:55:58,290 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:58,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-20 23:55:58,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 23:55:58,320 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:58,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:58,474 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:58,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:55:58,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 23:55:59,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-20 23:55:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:59,331 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:59,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:55:59,354 INFO L290 TraceCheckUtils]: 0: Hoare triple {26316#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {26316#true} is VALID [2022-02-20 23:55:59,355 INFO L290 TraceCheckUtils]: 1: Hoare triple {26316#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,356 INFO L290 TraceCheckUtils]: 2: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,356 INFO L290 TraceCheckUtils]: 3: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,357 INFO L290 TraceCheckUtils]: 4: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,357 INFO L290 TraceCheckUtils]: 5: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,358 INFO L290 TraceCheckUtils]: 6: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,358 INFO L290 TraceCheckUtils]: 7: Hoare triple {26319#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {26320#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,359 INFO L290 TraceCheckUtils]: 8: Hoare triple {26320#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,359 INFO L290 TraceCheckUtils]: 9: Hoare triple {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,360 INFO L290 TraceCheckUtils]: 10: Hoare triple {26321#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {26322#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,361 INFO L290 TraceCheckUtils]: 11: Hoare triple {26322#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:59,361 INFO L290 TraceCheckUtils]: 12: Hoare triple {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:59,362 INFO L290 TraceCheckUtils]: 13: Hoare triple {26323#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {26372#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:59,363 INFO L290 TraceCheckUtils]: 14: Hoare triple {26372#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,364 INFO L290 TraceCheckUtils]: 15: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,365 INFO L290 TraceCheckUtils]: 16: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,367 INFO L290 TraceCheckUtils]: 18: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,368 INFO L290 TraceCheckUtils]: 19: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:59,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {26376#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:59,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:59,370 INFO L290 TraceCheckUtils]: 22: Hoare triple {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:59,371 INFO L290 TraceCheckUtils]: 23: Hoare triple {26395#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,372 INFO L290 TraceCheckUtils]: 24: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,373 INFO L290 TraceCheckUtils]: 25: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,373 INFO L290 TraceCheckUtils]: 26: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,374 INFO L290 TraceCheckUtils]: 27: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short15#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,375 INFO L290 TraceCheckUtils]: 28: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short18#1 := main_#t~short15#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,375 INFO L290 TraceCheckUtils]: 29: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short18#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,376 INFO L290 TraceCheckUtils]: 30: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,376 INFO L290 TraceCheckUtils]: 31: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:55:59,377 INFO L290 TraceCheckUtils]: 32: Hoare triple {26405#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (and (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_75|) |ULTIMATE.start_main_~x~0#1.base|)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {26328#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:55:59,377 INFO L290 TraceCheckUtils]: 33: Hoare triple {26328#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {26329#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:55:59,377 INFO L290 TraceCheckUtils]: 34: Hoare triple {26329#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {26317#false} is VALID [2022-02-20 23:55:59,378 INFO L290 TraceCheckUtils]: 35: Hoare triple {26317#false} assume !false; {26317#false} is VALID [2022-02-20 23:55:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:59,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:59,514 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1107 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:55:59,568 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1108) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1107) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))))) is different from false [2022-02-20 23:55:59,580 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1108 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1108) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1107 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1107) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.offset|))) is different from false [2022-02-20 23:56:00,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,181 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:00,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 57 [2022-02-20 23:56:00,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,212 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:00,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 62 [2022-02-20 23:56:00,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,229 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:00,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 60 [2022-02-20 23:56:00,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,251 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:00,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 58 [2022-02-20 23:56:00,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 23:56:00,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-02-20 23:56:00,325 INFO L290 TraceCheckUtils]: 35: Hoare triple {26317#false} assume !false; {26317#false} is VALID [2022-02-20 23:56:00,326 INFO L290 TraceCheckUtils]: 34: Hoare triple {26329#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {26317#false} is VALID [2022-02-20 23:56:00,326 INFO L290 TraceCheckUtils]: 33: Hoare triple {26448#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {26329#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:56:00,327 INFO L290 TraceCheckUtils]: 32: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {26448#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:56:00,327 INFO L290 TraceCheckUtils]: 31: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,328 INFO L290 TraceCheckUtils]: 30: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,328 INFO L290 TraceCheckUtils]: 29: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short18#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,329 INFO L290 TraceCheckUtils]: 28: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short18#1 := main_#t~short15#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,329 INFO L290 TraceCheckUtils]: 27: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short15#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,330 INFO L290 TraceCheckUtils]: 25: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,331 INFO L290 TraceCheckUtils]: 24: Hoare triple {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,331 INFO L290 TraceCheckUtils]: 23: Hoare triple {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26452#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:00,332 INFO L290 TraceCheckUtils]: 22: Hoare triple {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:00,332 INFO L290 TraceCheckUtils]: 21: Hoare triple {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:00,333 INFO L290 TraceCheckUtils]: 20: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-23 {26480#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:00,336 WARN L290 TraceCheckUtils]: 19: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call write~int(0, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-22 {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 23:56:00,336 INFO L290 TraceCheckUtils]: 18: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1; {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:00,337 INFO L290 TraceCheckUtils]: 17: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:00,337 INFO L290 TraceCheckUtils]: 16: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:00,340 WARN L290 TraceCheckUtils]: 15: Hoare triple {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 23:56:00,340 INFO L290 TraceCheckUtils]: 14: Hoare triple {26509#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {26490#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:00,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {26513#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {26509#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:00,342 INFO L290 TraceCheckUtils]: 12: Hoare triple {26513#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {26513#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:00,343 INFO L290 TraceCheckUtils]: 11: Hoare triple {26520#(and (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {26513#(and (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1107 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:00,345 INFO L290 TraceCheckUtils]: 10: Hoare triple {26524#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1108 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {26520#(and (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,353 WARN L290 TraceCheckUtils]: 9: Hoare triple {26524#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1108 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {26524#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1108 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))))} is UNKNOWN [2022-02-20 23:56:00,356 WARN L290 TraceCheckUtils]: 8: Hoare triple {26531#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {26524#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1108 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))))} is UNKNOWN [2022-02-20 23:56:00,357 INFO L290 TraceCheckUtils]: 7: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {26531#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_18| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|))) (and (forall ((v_ArrVal_1107 (Array Int Int)) (v_ArrVal_1102 Int)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78| v_ArrVal_1102)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1107) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1108 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78| |v_ULTIMATE.start_main_#t~malloc7#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_18| v_ArrVal_1108) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:00,358 INFO L290 TraceCheckUtils]: 6: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,358 INFO L290 TraceCheckUtils]: 5: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,358 INFO L290 TraceCheckUtils]: 4: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,359 INFO L290 TraceCheckUtils]: 3: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,359 INFO L290 TraceCheckUtils]: 2: Hoare triple {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {26316#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {26535#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:00,360 INFO L290 TraceCheckUtils]: 0: Hoare triple {26316#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {26316#true} is VALID [2022-02-20 23:56:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:00,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281472207] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:00,367 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:00,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2022-02-20 23:56:00,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115135200] [2022-02-20 23:56:00,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:00,368 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-20 23:56:00,368 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:00,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:00,459 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 88 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:00,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 23:56:00,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:00,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 23:56:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=498, Unknown=10, NotChecked=144, Total=756 [2022-02-20 23:56:00,460 INFO L87 Difference]: Start difference. First operand 278 states and 321 transitions. Second operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:02,053 INFO L93 Difference]: Finished difference Result 333 states and 375 transitions. [2022-02-20 23:56:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:56:02,054 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-20 23:56:02,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2022-02-20 23:56:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2022-02-20 23:56:02,057 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 212 transitions. [2022-02-20 23:56:02,162 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 212 edges. 211 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:02,166 INFO L225 Difference]: With dead ends: 333 [2022-02-20 23:56:02,166 INFO L226 Difference]: Without dead ends: 333 [2022-02-20 23:56:02,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=840, Unknown=10, NotChecked=192, Total=1260 [2022-02-20 23:56:02,167 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 148 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 590 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:02,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 1018 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 539 Invalid, 0 Unknown, 590 Unchecked, 0.4s Time] [2022-02-20 23:56:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-02-20 23:56:02,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 285. [2022-02-20 23:56:02,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:02,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 333 states. Second operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,170 INFO L74 IsIncluded]: Start isIncluded. First operand 333 states. Second operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,171 INFO L87 Difference]: Start difference. First operand 333 states. Second operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:02,175 INFO L93 Difference]: Finished difference Result 333 states and 375 transitions. [2022-02-20 23:56:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 375 transitions. [2022-02-20 23:56:02,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:02,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:02,176 INFO L74 IsIncluded]: Start isIncluded. First operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 333 states. [2022-02-20 23:56:02,176 INFO L87 Difference]: Start difference. First operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 333 states. [2022-02-20 23:56:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:02,181 INFO L93 Difference]: Finished difference Result 333 states and 375 transitions. [2022-02-20 23:56:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 375 transitions. [2022-02-20 23:56:02,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:02,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:02,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:02,182 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 284 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 328 transitions. [2022-02-20 23:56:02,186 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 328 transitions. Word has length 36 [2022-02-20 23:56:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:02,186 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 328 transitions. [2022-02-20 23:56:02,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 328 transitions. [2022-02-20 23:56:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:56:02,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:02,187 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:02,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 23:56:02,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:02,405 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 62 more)] === [2022-02-20 23:56:02,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash -590102785, now seen corresponding path program 1 times [2022-02-20 23:56:02,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:02,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715677036] [2022-02-20 23:56:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:02,690 INFO L290 TraceCheckUtils]: 0: Hoare triple {27862#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {27862#true} is VALID [2022-02-20 23:56:02,690 INFO L290 TraceCheckUtils]: 1: Hoare triple {27862#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {27864#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:56:02,691 INFO L290 TraceCheckUtils]: 2: Hoare triple {27864#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,691 INFO L290 TraceCheckUtils]: 3: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,692 INFO L290 TraceCheckUtils]: 4: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,692 INFO L290 TraceCheckUtils]: 5: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,693 INFO L290 TraceCheckUtils]: 6: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,694 INFO L290 TraceCheckUtils]: 7: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {27866#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,694 INFO L290 TraceCheckUtils]: 8: Hoare triple {27866#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,695 INFO L290 TraceCheckUtils]: 9: Hoare triple {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:02,695 INFO L290 TraceCheckUtils]: 10: Hoare triple {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {27868#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:02,696 INFO L290 TraceCheckUtils]: 11: Hoare triple {27868#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {27869#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:02,697 INFO L290 TraceCheckUtils]: 12: Hoare triple {27869#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {27869#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:02,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {27869#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {27870#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:02,698 INFO L290 TraceCheckUtils]: 14: Hoare triple {27870#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~mem8#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,699 INFO L290 TraceCheckUtils]: 15: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,699 INFO L290 TraceCheckUtils]: 16: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,700 INFO L290 TraceCheckUtils]: 17: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,700 INFO L290 TraceCheckUtils]: 18: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1; {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,701 INFO L290 TraceCheckUtils]: 19: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~int(1, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-19 {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,702 INFO L290 TraceCheckUtils]: 20: Hoare triple {27871#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-20 {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,702 INFO L290 TraceCheckUtils]: 21: Hoare triple {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,703 INFO L290 TraceCheckUtils]: 22: Hoare triple {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:02,703 INFO L290 TraceCheckUtils]: 23: Hoare triple {27872#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,704 INFO L290 TraceCheckUtils]: 24: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,704 INFO L290 TraceCheckUtils]: 25: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,705 INFO L290 TraceCheckUtils]: 26: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short15#1 := 2 == main_#t~mem13#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,705 INFO L290 TraceCheckUtils]: 27: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short15#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,705 INFO L290 TraceCheckUtils]: 28: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short18#1 := main_#t~short15#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,706 INFO L290 TraceCheckUtils]: 29: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short18#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,706 INFO L290 TraceCheckUtils]: 30: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short20#1 := main_#t~short18#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,707 INFO L290 TraceCheckUtils]: 31: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short20#1; {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:56:02,707 INFO L290 TraceCheckUtils]: 32: Hoare triple {27873#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {27874#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:56:02,708 INFO L290 TraceCheckUtils]: 33: Hoare triple {27874#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {27875#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:56:02,708 INFO L290 TraceCheckUtils]: 34: Hoare triple {27875#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {27863#false} is VALID [2022-02-20 23:56:02,708 INFO L290 TraceCheckUtils]: 35: Hoare triple {27863#false} assume !false; {27863#false} is VALID [2022-02-20 23:56:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:02,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:02,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715677036] [2022-02-20 23:56:02,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715677036] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:02,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510490613] [2022-02-20 23:56:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:02,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:02,716 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:56:02,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 23:56:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:02,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-20 23:56:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:02,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:02,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:56:02,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:56:02,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:56:02,937 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:02,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:56:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:02,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:56:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:03,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:56:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:03,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-20 23:56:03,234 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:03,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:56:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:03,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-02-20 23:56:03,460 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:03,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:56:03,598 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:03,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:56:03,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-02-20 23:56:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:04,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-02-20 23:56:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:04,436 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:04,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:56:04,456 INFO L290 TraceCheckUtils]: 0: Hoare triple {27862#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2); {27862#true} is VALID [2022-02-20 23:56:04,456 INFO L290 TraceCheckUtils]: 1: Hoare triple {27862#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~nondet6#1, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~short15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~short18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~short20#1, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(12);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,457 INFO L290 TraceCheckUtils]: 2: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,457 INFO L290 TraceCheckUtils]: 3: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,458 INFO L290 TraceCheckUtils]: 4: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,458 INFO L290 TraceCheckUtils]: 5: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,459 INFO L290 TraceCheckUtils]: 6: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L998-13 {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,459 INFO L290 TraceCheckUtils]: 7: Hoare triple {27865#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-14 {27866#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,460 INFO L290 TraceCheckUtils]: 8: Hoare triple {27866#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,460 INFO L290 TraceCheckUtils]: 9: Hoare triple {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,461 INFO L290 TraceCheckUtils]: 10: Hoare triple {27867#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(12); {27909#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:04,462 INFO L290 TraceCheckUtils]: 11: Hoare triple {27909#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-3 {27913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:04,462 INFO L290 TraceCheckUtils]: 12: Hoare triple {27913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {27913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:04,463 INFO L290 TraceCheckUtils]: 13: Hoare triple {27913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-5 {27920#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))))} is VALID [2022-02-20 23:56:04,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {27920#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,465 INFO L290 TraceCheckUtils]: 15: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1001-7 {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,466 INFO L290 TraceCheckUtils]: 16: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647; {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,467 INFO L290 TraceCheckUtils]: 17: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647; {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,468 INFO L290 TraceCheckUtils]: 18: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1; {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,469 INFO L290 TraceCheckUtils]: 19: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} SUMMARY for call write~int(1, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1001-19 {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} is VALID [2022-02-20 23:56:04,470 INFO L290 TraceCheckUtils]: 20: Hoare triple {27924#(and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1001-20 {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:04,471 INFO L290 TraceCheckUtils]: 21: Hoare triple {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:04,472 INFO L290 TraceCheckUtils]: 22: Hoare triple {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:04,473 INFO L290 TraceCheckUtils]: 23: Hoare triple {27943#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) |ULTIMATE.start_main_~head~0#1.base|))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,474 INFO L290 TraceCheckUtils]: 24: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,474 INFO L290 TraceCheckUtils]: 25: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1007-21 {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,475 INFO L290 TraceCheckUtils]: 26: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} main_#t~short15#1 := 2 == main_#t~mem13#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,476 INFO L290 TraceCheckUtils]: 27: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} assume !main_#t~short15#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,477 INFO L290 TraceCheckUtils]: 28: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} main_#t~short18#1 := main_#t~short15#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,477 INFO L290 TraceCheckUtils]: 29: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} assume !main_#t~short18#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,478 INFO L290 TraceCheckUtils]: 30: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} main_#t~short20#1 := main_#t~short18#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,479 INFO L290 TraceCheckUtils]: 31: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} assume !main_#t~short20#1; {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} is VALID [2022-02-20 23:56:04,479 INFO L290 TraceCheckUtils]: 32: Hoare triple {27953#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_80| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) |ULTIMATE.start_main_~x~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~x~0#1.offset| 1) |v_ULTIMATE.start_main_~x~0#1.offset_80|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_80|) 0))))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1007-15 {27874#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:56:04,480 INFO L290 TraceCheckUtils]: 33: Hoare triple {27874#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem19#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short20#1 := main_#t~mem19#1.base == main_~x~0#1.base && main_#t~mem19#1.offset == main_~x~0#1.offset; {27875#|ULTIMATE.start_main_#t~short20#1|} is VALID [2022-02-20 23:56:04,480 INFO L290 TraceCheckUtils]: 34: Hoare triple {27875#|ULTIMATE.start_main_#t~short20#1|} assume !main_#t~short20#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~short15#1;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~short18#1;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~short20#1; {27863#false} is VALID [2022-02-20 23:56:04,480 INFO L290 TraceCheckUtils]: 35: Hoare triple {27863#false} assume !false; {27863#false} is VALID [2022-02-20 23:56:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:04,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:04,583 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1215 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1215) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1214 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1214) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:56:04,620 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1215 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1215) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1214 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1214) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:56:04,628 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1214 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1214) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1215 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1215) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))))) is different from false [2022-02-20 23:56:04,717 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_21| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_21|) 0)) (and (forall ((v_ArrVal_1215 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_21| v_ArrVal_1215) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1214 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_21|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_21| v_ArrVal_1214) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) |c_ULTIMATE.start_main_~head~0#1.base|))))) is different from false [2022-02-20 23:56:05,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:05,031 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:05,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 57 [2022-02-20 23:56:05,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:05,046 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:05,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 62 [2022-02-20 23:56:05,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:05,088 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:05,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 60 [2022-02-20 23:56:05,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:05,105 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:05,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 58 [2022-02-20 23:56:05,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 23:56:05,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17