./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.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/memsafety-ext/dll_extends_pointer.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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:46:18,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:46:18,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:46:18,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:46:18,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:46:18,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:46:18,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:46:18,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:46:18,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:46:18,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:46:18,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:46:18,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:46:18,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:46:18,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:46:18,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:46:18,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:46:18,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:46:18,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:46:18,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:46:18,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:46:18,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:46:18,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:46:18,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:46:18,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:46:18,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:46:18,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:46:18,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:46:18,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:46:18,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:46:18,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:46:18,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:46:18,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:46:18,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:46:18,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:46:18,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:46:18,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:46:18,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:46:18,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:46:18,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:46:18,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:46:18,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:46:18,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:46:19,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:46:19,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:46:19,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:46:19,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:46:19,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:46:19,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:46:19,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:46:19,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:46:19,002 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:46:19,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:46:19,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:46:19,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:46:19,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:46:19,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:46:19,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:46:19,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:46:19,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:46:19,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:46:19,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:46:19,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:46:19,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:46:19,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:46:19,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:46:19,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:46:19,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2022-02-20 23:46:19,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:46:19,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:46:19,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:46:19,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:46:19,208 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:46:19,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-02-20 23:46:19,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb111cdc6/2d16729ba22d4bbf84f656eee54f4b5f/FLAGe094bc8dc [2022-02-20 23:46:19,627 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:46:19,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2022-02-20 23:46:19,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb111cdc6/2d16729ba22d4bbf84f656eee54f4b5f/FLAGe094bc8dc [2022-02-20 23:46:19,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb111cdc6/2d16729ba22d4bbf84f656eee54f4b5f [2022-02-20 23:46:19,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:46:19,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:46:19,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:46:19,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:46:19,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:46:19,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68899159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19, skipping insertion in model container [2022-02-20 23:46:19,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:46:19,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:46:19,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:46:19,907 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:46:19,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:46:19,954 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:46:19,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19 WrapperNode [2022-02-20 23:46:19,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:46:19,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:46:19,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:46:19,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:46:19,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,983 INFO L137 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-02-20 23:46:19,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:46:19,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:46:19,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:46:19,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:46:19,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:19,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:20,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:20,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:20,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:20,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:46:20,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:46:20,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:46:20,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:46:20,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (1/1) ... [2022-02-20 23:46:20,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:46:20,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:20,038 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 23:46:20,040 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 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:46:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:46:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:46:20,131 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:46:20,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:46:20,425 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:46:20,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:46:20,430 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 23:46:20,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:46:20 BoogieIcfgContainer [2022-02-20 23:46:20,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:46:20,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:46:20,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:46:20,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:46:20,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:46:19" (1/3) ... [2022-02-20 23:46:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dafa12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:46:20, skipping insertion in model container [2022-02-20 23:46:20,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:19" (2/3) ... [2022-02-20 23:46:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74dafa12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:46:20, skipping insertion in model container [2022-02-20 23:46:20,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:46:20" (3/3) ... [2022-02-20 23:46:20,437 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer.i [2022-02-20 23:46:20,440 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:46:20,440 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-02-20 23:46:20,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:46:20,488 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 23:46:20,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-02-20 23:46:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 31 states have (on average 2.064516129032258) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:46:20,521 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:20,521 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:46:20,521 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:20,526 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:46:20,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:20,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538109572] [2022-02-20 23:46:20,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:20,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:20,658 INFO L290 TraceCheckUtils]: 0: Hoare triple {62#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(22, 2); {62#true} is VALID [2022-02-20 23:46:20,659 INFO L290 TraceCheckUtils]: 1: Hoare triple {62#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {64#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:20,660 INFO L290 TraceCheckUtils]: 2: Hoare triple {64#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} assume !(1 == #valid[main_~y~0#1.base]); {63#false} is VALID [2022-02-20 23:46:20,660 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 23:46:20,661 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:20,661 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538109572] [2022-02-20 23:46:20,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538109572] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:20,661 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:20,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:46:20,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783145984] [2022-02-20 23:46:20,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:20,666 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 23:46:20,666 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:20,668 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 23:46:20,672 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 23:46:20,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:20,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:20,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:20,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:20,688 INFO L87 Difference]: Start difference. First operand has 59 states, 31 states have (on average 2.064516129032258) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 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 23:46:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:20,840 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2022-02-20 23:46:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:20,841 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 23:46:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:20,842 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 23:46:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-02-20 23:46:20,855 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 23:46:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-02-20 23:46:20,857 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 77 transitions. [2022-02-20 23:46:20,919 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:20,925 INFO L225 Difference]: With dead ends: 63 [2022-02-20 23:46:20,925 INFO L226 Difference]: Without dead ends: 59 [2022-02-20 23:46:20,927 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 23:46:20,930 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 40 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:20,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 33 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:20,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-02-20 23:46:20,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2022-02-20 23:46:20,950 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:20,951 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:20,951 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:20,952 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:20,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:20,955 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2022-02-20 23:46:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2022-02-20 23:46:20,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:20,956 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:20,956 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 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 59 states. [2022-02-20 23:46:20,957 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 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 59 states. [2022-02-20 23:46:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:20,962 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2022-02-20 23:46:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2022-02-20 23:46:20,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:20,963 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:20,963 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:20,963 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2022-02-20 23:46:20,966 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 3 [2022-02-20 23:46:20,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:20,966 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2022-02-20 23:46:20,967 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 23:46:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-02-20 23:46:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:46:20,967 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:20,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:46:20,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:46:20,967 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:20,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:20,968 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:46:20,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:20,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246332106] [2022-02-20 23:46:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:21,010 INFO L290 TraceCheckUtils]: 0: Hoare triple {301#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(22, 2); {301#true} is VALID [2022-02-20 23:46:21,011 INFO L290 TraceCheckUtils]: 1: Hoare triple {301#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {303#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (+ (- 13) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) 0))} is VALID [2022-02-20 23:46:21,012 INFO L290 TraceCheckUtils]: 2: Hoare triple {303#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (+ (- 13) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)) 0))} assume !(4 + main_~y~0#1.offset <= #length[main_~y~0#1.base] && 0 <= main_~y~0#1.offset); {302#false} is VALID [2022-02-20 23:46:21,012 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 23:46:21,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:21,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246332106] [2022-02-20 23:46:21,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246332106] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:21,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:21,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:46:21,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223188519] [2022-02-20 23:46:21,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:21,018 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 23:46:21,018 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:21,019 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 23:46:21,022 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 23:46:21,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:21,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:21,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:21,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:21,027 INFO L87 Difference]: Start difference. First operand 53 states and 58 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 23:46:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,127 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-02-20 23:46:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:21,128 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 23:46:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:21,128 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 23:46:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-02-20 23:46:21,130 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 23:46:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-02-20 23:46:21,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 61 transitions. [2022-02-20 23:46:21,184 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:21,185 INFO L225 Difference]: With dead ends: 55 [2022-02-20 23:46:21,185 INFO L226 Difference]: Without dead ends: 55 [2022-02-20 23:46:21,186 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 23:46:21,187 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:21,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 51 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-02-20 23:46:21,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-02-20 23:46:21,194 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:21,194 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,195 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,195 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,201 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-02-20 23:46:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2022-02-20 23:46:21,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,201 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 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 55 states. [2022-02-20 23:46:21,202 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 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 55 states. [2022-02-20 23:46:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,204 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-02-20 23:46:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2022-02-20 23:46:21,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,205 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:21,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.606060606060606) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-02-20 23:46:21,209 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 3 [2022-02-20 23:46:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:21,209 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-02-20 23:46:21,209 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 23:46:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-02-20 23:46:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:46:21,211 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:21,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:21,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:46:21,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:21,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1115897518, now seen corresponding path program 1 times [2022-02-20 23:46:21,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:21,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588539653] [2022-02-20 23:46:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:21,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:21,291 INFO L290 TraceCheckUtils]: 0: Hoare triple {519#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(22, 2); {519#true} is VALID [2022-02-20 23:46:21,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {519#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {519#true} is VALID [2022-02-20 23:46:21,292 INFO L290 TraceCheckUtils]: 2: Hoare triple {519#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,292 INFO L290 TraceCheckUtils]: 3: Hoare triple {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,293 INFO L290 TraceCheckUtils]: 4: Hoare triple {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,293 INFO L290 TraceCheckUtils]: 5: Hoare triple {521#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,293 INFO L290 TraceCheckUtils]: 6: Hoare triple {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,294 INFO L290 TraceCheckUtils]: 7: Hoare triple {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,294 INFO L290 TraceCheckUtils]: 8: Hoare triple {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:21,294 INFO L290 TraceCheckUtils]: 9: Hoare triple {522#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {520#false} is VALID [2022-02-20 23:46:21,295 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 23:46:21,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:21,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588539653] [2022-02-20 23:46:21,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588539653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:21,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:21,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:21,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575483972] [2022-02-20 23:46:21,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:21,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:46:21,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:21,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,303 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:21,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:21,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:21,304 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,431 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-02-20 23:46:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:46:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-02-20 23:46:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-02-20 23:46:21,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 64 transitions. [2022-02-20 23:46:21,483 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:21,484 INFO L225 Difference]: With dead ends: 58 [2022-02-20 23:46:21,484 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 23:46:21,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:46:21,485 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 47 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:21,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 31 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:21,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 23:46:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2022-02-20 23:46:21,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:21,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,488 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,489 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,490 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-02-20 23:46:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2022-02-20 23:46:21,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,491 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 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 58 states. [2022-02-20 23:46:21,491 INFO L87 Difference]: Start difference. First operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 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 58 states. [2022-02-20 23:46:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,492 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-02-20 23:46:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2022-02-20 23:46:21,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:21,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2022-02-20 23:46:21,494 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 10 [2022-02-20 23:46:21,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:21,494 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2022-02-20 23:46:21,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-02-20 23:46:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:46:21,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:21,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:21,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:46:21,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:21,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1115897519, now seen corresponding path program 1 times [2022-02-20 23:46:21,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:21,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245297993] [2022-02-20 23:46:21,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:21,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:21,593 INFO L290 TraceCheckUtils]: 0: Hoare triple {752#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(22, 2); {752#true} is VALID [2022-02-20 23:46:21,594 INFO L290 TraceCheckUtils]: 1: Hoare triple {752#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:21,595 INFO L290 TraceCheckUtils]: 2: Hoare triple {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:21,595 INFO L290 TraceCheckUtils]: 3: Hoare triple {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:21,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:21,596 INFO L290 TraceCheckUtils]: 5: Hoare triple {754#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:21,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:21,597 INFO L290 TraceCheckUtils]: 7: Hoare triple {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:21,598 INFO L290 TraceCheckUtils]: 8: Hoare triple {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:21,599 INFO L290 TraceCheckUtils]: 9: Hoare triple {755#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {753#false} is VALID [2022-02-20 23:46:21,599 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 23:46:21,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:21,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245297993] [2022-02-20 23:46:21,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245297993] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:21,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:21,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:21,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136838704] [2022-02-20 23:46:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:21,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:46:21,601 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:21,601 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:21,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:21,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:21,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:21,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:21,610 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,798 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2022-02-20 23:46:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:46:21,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:46:21,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2022-02-20 23:46:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2022-02-20 23:46:21,800 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 88 transitions. [2022-02-20 23:46:21,864 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:21,865 INFO L225 Difference]: With dead ends: 87 [2022-02-20 23:46:21,865 INFO L226 Difference]: Without dead ends: 87 [2022-02-20 23:46:21,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:46:21,866 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 47 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:21,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-02-20 23:46:21,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 67. [2022-02-20 23:46:21,869 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:21,869 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,869 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,869 INFO L87 Difference]: Start difference. First operand 87 states. Second operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,871 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2022-02-20 23:46:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2022-02-20 23:46:21,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,872 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:46:21,872 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:46:21,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:21,874 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2022-02-20 23:46:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2022-02-20 23:46:21,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:21,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:21,874 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:21,874 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 53 states have (on average 1.528301886792453) internal successors, (81), 66 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2022-02-20 23:46:21,876 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 10 [2022-02-20 23:46:21,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:21,876 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2022-02-20 23:46:21,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-02-20 23:46:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 23:46:21,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:21,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:21,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:46:21,877 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:21,878 INFO L85 PathProgramCache]: Analyzing trace with hash 233083786, now seen corresponding path program 1 times [2022-02-20 23:46:21,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:21,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549118782] [2022-02-20 23:46:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:21,932 INFO L290 TraceCheckUtils]: 0: Hoare triple {1088#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(22, 2); {1088#true} is VALID [2022-02-20 23:46:21,932 INFO L290 TraceCheckUtils]: 1: Hoare triple {1088#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} is VALID [2022-02-20 23:46:21,933 INFO L290 TraceCheckUtils]: 2: Hoare triple {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} is VALID [2022-02-20 23:46:21,933 INFO L290 TraceCheckUtils]: 3: Hoare triple {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} is VALID [2022-02-20 23:46:21,933 INFO L290 TraceCheckUtils]: 4: Hoare triple {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} is VALID [2022-02-20 23:46:21,934 INFO L290 TraceCheckUtils]: 5: Hoare triple {1090#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:21,934 INFO L290 TraceCheckUtils]: 6: Hoare triple {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:21,935 INFO L290 TraceCheckUtils]: 7: Hoare triple {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:21,935 INFO L290 TraceCheckUtils]: 8: Hoare triple {1091#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {1089#false} is VALID [2022-02-20 23:46:21,935 INFO L290 TraceCheckUtils]: 9: Hoare triple {1089#false} main_#res#1 := 0; {1089#false} is VALID [2022-02-20 23:46:21,935 INFO L290 TraceCheckUtils]: 10: Hoare triple {1089#false} assume !(#valid == main_old_#valid#1); {1089#false} is VALID [2022-02-20 23:46:21,935 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 23:46:21,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:21,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549118782] [2022-02-20 23:46:21,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549118782] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:21,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:21,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:21,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719502532] [2022-02-20 23:46:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:21,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:21,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:21,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:21,944 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 23:46:21,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:21,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:21,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:21,945 INFO L87 Difference]: Start difference. First operand 67 states and 81 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,048 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2022-02-20 23:46:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:46:22,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:22,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 74 transitions. [2022-02-20 23:46:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 74 transitions. [2022-02-20 23:46:22,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 74 transitions. [2022-02-20 23:46:22,098 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,100 INFO L225 Difference]: With dead ends: 90 [2022-02-20 23:46:22,100 INFO L226 Difference]: Without dead ends: 90 [2022-02-20 23:46:22,100 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 23:46:22,101 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 50 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:22,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 58 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:22,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-02-20 23:46:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 67. [2022-02-20 23:46:22,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:22,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,104 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,105 INFO L87 Difference]: Start difference. First operand 90 states. Second operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,106 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2022-02-20 23:46:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2022-02-20 23:46:22,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,107 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 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 90 states. [2022-02-20 23:46:22,107 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 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 90 states. [2022-02-20 23:46:22,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,109 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2022-02-20 23:46:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2022-02-20 23:46:22,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,110 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:22,110 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 53 states have (on average 1.490566037735849) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2022-02-20 23:46:22,112 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 11 [2022-02-20 23:46:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:22,112 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2022-02-20 23:46:22,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 23:46:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2022-02-20 23:46:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:46:22,113 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:22,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:22,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:46:22,113 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:22,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:22,113 INFO L85 PathProgramCache]: Analyzing trace with hash 683852015, now seen corresponding path program 1 times [2022-02-20 23:46:22,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:22,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707866866] [2022-02-20 23:46:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:22,214 INFO L290 TraceCheckUtils]: 0: Hoare triple {1433#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(22, 2); {1433#true} is VALID [2022-02-20 23:46:22,214 INFO L290 TraceCheckUtils]: 1: Hoare triple {1433#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1433#true} is VALID [2022-02-20 23:46:22,214 INFO L290 TraceCheckUtils]: 2: Hoare triple {1433#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {1433#true} is VALID [2022-02-20 23:46:22,214 INFO L290 TraceCheckUtils]: 3: Hoare triple {1433#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {1433#true} is VALID [2022-02-20 23:46:22,215 INFO L290 TraceCheckUtils]: 4: Hoare triple {1433#true} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {1433#true} is VALID [2022-02-20 23:46:22,215 INFO L290 TraceCheckUtils]: 5: Hoare triple {1433#true} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {1433#true} is VALID [2022-02-20 23:46:22,215 INFO L290 TraceCheckUtils]: 6: Hoare triple {1433#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {1433#true} is VALID [2022-02-20 23:46:22,216 INFO L290 TraceCheckUtils]: 7: Hoare triple {1433#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {1435#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:22,216 INFO L290 TraceCheckUtils]: 8: Hoare triple {1435#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:22,217 INFO L290 TraceCheckUtils]: 9: Hoare triple {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:22,217 INFO L290 TraceCheckUtils]: 10: Hoare triple {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:22,218 INFO L290 TraceCheckUtils]: 11: Hoare triple {1436#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {1435#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:22,218 INFO L290 TraceCheckUtils]: 12: Hoare triple {1435#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} assume !(4 + (8 + main_~y~0#1.offset) <= #length[main_~y~0#1.base] && 0 <= 8 + main_~y~0#1.offset); {1434#false} is VALID [2022-02-20 23:46:22,219 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 23:46:22,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:22,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707866866] [2022-02-20 23:46:22,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707866866] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:22,219 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:22,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:22,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664177162] [2022-02-20 23:46:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:22,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:46:22,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:22,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,230 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:22,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:22,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:22,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:22,231 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,306 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2022-02-20 23:46:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:22,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:46:22,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-02-20 23:46:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-02-20 23:46:22,308 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 48 transitions. [2022-02-20 23:46:22,341 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,342 INFO L225 Difference]: With dead ends: 66 [2022-02-20 23:46:22,342 INFO L226 Difference]: Without dead ends: 66 [2022-02-20 23:46:22,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:22,343 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 27 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:22,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-02-20 23:46:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-02-20 23:46:22,345 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:22,346 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,346 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,346 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,347 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2022-02-20 23:46:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-02-20 23:46:22,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,348 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 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 66 states. [2022-02-20 23:46:22,348 INFO L87 Difference]: Start difference. First operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 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 66 states. [2022-02-20 23:46:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,349 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2022-02-20 23:46:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-02-20 23:46:22,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,349 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:22,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.471698113207547) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2022-02-20 23:46:22,351 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 13 [2022-02-20 23:46:22,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:22,351 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2022-02-20 23:46:22,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-02-20 23:46:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:46:22,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:22,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:22,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:46:22,352 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:22,352 INFO L85 PathProgramCache]: Analyzing trace with hash -833158411, now seen corresponding path program 1 times [2022-02-20 23:46:22,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:22,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833856163] [2022-02-20 23:46:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:22,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:22,452 INFO L290 TraceCheckUtils]: 0: Hoare triple {1703#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(22, 2); {1703#true} is VALID [2022-02-20 23:46:22,453 INFO L290 TraceCheckUtils]: 1: Hoare triple {1703#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:22,454 INFO L290 TraceCheckUtils]: 2: Hoare triple {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:22,454 INFO L290 TraceCheckUtils]: 3: Hoare triple {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:22,455 INFO L290 TraceCheckUtils]: 4: Hoare triple {1705#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:46:22,457 INFO L290 TraceCheckUtils]: 5: Hoare triple {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:22,458 INFO L290 TraceCheckUtils]: 6: Hoare triple {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:22,459 INFO L290 TraceCheckUtils]: 7: Hoare triple {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:22,459 INFO L290 TraceCheckUtils]: 8: Hoare triple {1707#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:46:22,460 INFO L290 TraceCheckUtils]: 9: Hoare triple {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:46:22,461 INFO L290 TraceCheckUtils]: 10: Hoare triple {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:46:22,461 INFO L290 TraceCheckUtils]: 11: Hoare triple {1706#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {1708#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= |ULTIMATE.start_main_#t~mem10#1.offset| (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:46:22,462 INFO L290 TraceCheckUtils]: 12: Hoare triple {1708#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= |ULTIMATE.start_main_#t~mem10#1.offset| (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1704#false} is VALID [2022-02-20 23:46:22,462 INFO L290 TraceCheckUtils]: 13: Hoare triple {1704#false} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {1704#false} is VALID [2022-02-20 23:46:22,462 INFO L290 TraceCheckUtils]: 14: Hoare triple {1704#false} assume !(0 == main_#t~mem11#1.offset); {1704#false} is VALID [2022-02-20 23:46:22,463 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 23:46:22,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:22,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833856163] [2022-02-20 23:46:22,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833856163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:22,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:22,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:22,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073139085] [2022-02-20 23:46:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:22,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:46:22,465 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:22,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,476 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:22,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:22,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:22,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:22,478 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,727 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2022-02-20 23:46:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:22,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:46:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 72 transitions. [2022-02-20 23:46:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 72 transitions. [2022-02-20 23:46:22,729 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 72 transitions. [2022-02-20 23:46:22,780 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,781 INFO L225 Difference]: With dead ends: 73 [2022-02-20 23:46:22,781 INFO L226 Difference]: Without dead ends: 73 [2022-02-20 23:46:22,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:46:22,781 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 41 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:22,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 103 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:22,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-02-20 23:46:22,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2022-02-20 23:46:22,784 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:22,784 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,784 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,784 INFO L87 Difference]: Start difference. First operand 73 states. Second operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,786 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2022-02-20 23:46:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2022-02-20 23:46:22,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,786 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,787 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 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 73 states. [2022-02-20 23:46:22,787 INFO L87 Difference]: Start difference. First operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 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 73 states. [2022-02-20 23:46:22,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,789 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2022-02-20 23:46:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2022-02-20 23:46:22,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:22,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:22,789 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:22,789 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.4375) internal successors, (69), 60 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-02-20 23:46:22,791 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 15 [2022-02-20 23:46:22,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:22,791 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-02-20 23:46:22,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-02-20 23:46:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:46:22,792 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:22,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:22,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:46:22,792 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:22,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:22,792 INFO L85 PathProgramCache]: Analyzing trace with hash -833147426, now seen corresponding path program 1 times [2022-02-20 23:46:22,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:22,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396470153] [2022-02-20 23:46:22,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:22,839 INFO L290 TraceCheckUtils]: 0: Hoare triple {1997#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(22, 2); {1997#true} is VALID [2022-02-20 23:46:22,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {1997#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,840 INFO L290 TraceCheckUtils]: 2: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,841 INFO L290 TraceCheckUtils]: 3: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,841 INFO L290 TraceCheckUtils]: 4: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,841 INFO L290 TraceCheckUtils]: 5: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,842 INFO L290 TraceCheckUtils]: 6: Hoare triple {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,842 INFO L290 TraceCheckUtils]: 7: Hoare triple {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,842 INFO L290 TraceCheckUtils]: 8: Hoare triple {2000#(<= (+ |ULTIMATE.start_main_~list~0#1.base| 1) |#StackHeapBarrier|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,843 INFO L290 TraceCheckUtils]: 9: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,843 INFO L290 TraceCheckUtils]: 10: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,843 INFO L290 TraceCheckUtils]: 11: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,844 INFO L290 TraceCheckUtils]: 12: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,844 INFO L290 TraceCheckUtils]: 13: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~y~0#1.offset; {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:22,844 INFO L290 TraceCheckUtils]: 14: Hoare triple {1999#(<= (+ |ULTIMATE.start_main_~y~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~y~0#1.base < #StackHeapBarrier); {1998#false} is VALID [2022-02-20 23:46:22,844 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 23:46:22,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:22,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396470153] [2022-02-20 23:46:22,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396470153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:22,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:22,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:22,845 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130190306] [2022-02-20 23:46:22,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:22,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:46:22,846 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:22,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:22,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:22,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:22,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:22,857 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:22,972 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2022-02-20 23:46:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:46:22,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-02-20 23:46:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2022-02-20 23:46:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2022-02-20 23:46:22,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 66 transitions. [2022-02-20 23:46:23,018 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:23,019 INFO L225 Difference]: With dead ends: 77 [2022-02-20 23:46:23,019 INFO L226 Difference]: Without dead ends: 77 [2022-02-20 23:46:23,019 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 23:46:23,020 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 41 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:23,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 60 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-02-20 23:46:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 70. [2022-02-20 23:46:23,022 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:23,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:23,023 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:23,023 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:23,024 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2022-02-20 23:46:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-02-20 23:46:23,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:23,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:23,024 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 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 77 states. [2022-02-20 23:46:23,024 INFO L87 Difference]: Start difference. First operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 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 77 states. [2022-02-20 23:46:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:23,025 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2022-02-20 23:46:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-02-20 23:46:23,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:23,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:23,026 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:23,026 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 69 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 85 transitions. [2022-02-20 23:46:23,027 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 85 transitions. Word has length 15 [2022-02-20 23:46:23,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:23,027 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 85 transitions. [2022-02-20 23:46:23,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2022-02-20 23:46:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 23:46:23,027 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:23,028 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:23,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:46:23,028 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash 321145941, now seen corresponding path program 1 times [2022-02-20 23:46:23,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:23,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996463691] [2022-02-20 23:46:23,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:23,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:23,129 INFO L290 TraceCheckUtils]: 0: Hoare triple {2306#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(22, 2); {2306#true} is VALID [2022-02-20 23:46:23,129 INFO L290 TraceCheckUtils]: 1: Hoare triple {2306#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2306#true} is VALID [2022-02-20 23:46:23,130 INFO L290 TraceCheckUtils]: 2: Hoare triple {2306#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,130 INFO L290 TraceCheckUtils]: 3: Hoare triple {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,131 INFO L290 TraceCheckUtils]: 4: Hoare triple {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,131 INFO L290 TraceCheckUtils]: 5: Hoare triple {2308#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,132 INFO L290 TraceCheckUtils]: 6: Hoare triple {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,132 INFO L290 TraceCheckUtils]: 7: Hoare triple {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,133 INFO L290 TraceCheckUtils]: 8: Hoare triple {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,133 INFO L290 TraceCheckUtils]: 9: Hoare triple {2309#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:23,133 INFO L290 TraceCheckUtils]: 10: Hoare triple {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,134 INFO L290 TraceCheckUtils]: 11: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,134 INFO L290 TraceCheckUtils]: 12: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,135 INFO L290 TraceCheckUtils]: 13: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,135 INFO L290 TraceCheckUtils]: 14: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,135 INFO L290 TraceCheckUtils]: 15: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,136 INFO L290 TraceCheckUtils]: 16: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2307#false} is VALID [2022-02-20 23:46:23,136 INFO L290 TraceCheckUtils]: 17: Hoare triple {2307#false} assume !(1 == #valid[main_~list~0#1.base]); {2307#false} is VALID [2022-02-20 23:46:23,136 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 23:46:23,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:23,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996463691] [2022-02-20 23:46:23,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996463691] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:23,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412683586] [2022-02-20 23:46:23,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:23,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:23,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:23,138 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 23:46:23,171 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 23:46:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:23,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:46:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:23,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:23,343 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 23:46:23,348 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 23:46:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:23,397 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 23:46:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:23,405 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 23:46:23,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:23,478 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 23:46:23,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:23,487 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 23:46:23,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:23,624 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 23:46:23,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:23,674 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:23,674 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 23:46:23,771 INFO L290 TraceCheckUtils]: 0: Hoare triple {2306#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(22, 2); {2306#true} is VALID [2022-02-20 23:46:23,772 INFO L290 TraceCheckUtils]: 1: Hoare triple {2306#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2318#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:23,772 INFO L290 TraceCheckUtils]: 2: Hoare triple {2318#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,773 INFO L290 TraceCheckUtils]: 3: Hoare triple {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,774 INFO L290 TraceCheckUtils]: 4: Hoare triple {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:23,774 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:23,775 INFO L290 TraceCheckUtils]: 6: Hoare triple {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:23,775 INFO L290 TraceCheckUtils]: 7: Hoare triple {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:23,776 INFO L290 TraceCheckUtils]: 8: Hoare triple {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:23,776 INFO L290 TraceCheckUtils]: 9: Hoare triple {2332#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:23,777 INFO L290 TraceCheckUtils]: 10: Hoare triple {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,777 INFO L290 TraceCheckUtils]: 11: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,778 INFO L290 TraceCheckUtils]: 12: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,778 INFO L290 TraceCheckUtils]: 13: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,778 INFO L290 TraceCheckUtils]: 14: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,779 INFO L290 TraceCheckUtils]: 15: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:23,779 INFO L290 TraceCheckUtils]: 16: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2307#false} is VALID [2022-02-20 23:46:23,779 INFO L290 TraceCheckUtils]: 17: Hoare triple {2307#false} assume !(1 == #valid[main_~list~0#1.base]); {2307#false} is VALID [2022-02-20 23:46:23,779 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 23:46:23,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:26,509 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 23:46:26,524 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 23:46:26,538 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 23:46:26,568 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 23:46:26,634 INFO L290 TraceCheckUtils]: 17: Hoare triple {2307#false} assume !(1 == #valid[main_~list~0#1.base]); {2307#false} is VALID [2022-02-20 23:46:26,635 INFO L290 TraceCheckUtils]: 16: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2307#false} is VALID [2022-02-20 23:46:26,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,636 INFO L290 TraceCheckUtils]: 14: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,646 INFO L290 TraceCheckUtils]: 13: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,647 INFO L290 TraceCheckUtils]: 12: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,647 INFO L290 TraceCheckUtils]: 11: Hoare triple {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,647 INFO L290 TraceCheckUtils]: 10: Hoare triple {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2311#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:26,648 INFO L290 TraceCheckUtils]: 9: Hoare triple {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2310#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:26,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:26,649 INFO L290 TraceCheckUtils]: 7: Hoare triple {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:26,650 INFO L290 TraceCheckUtils]: 6: Hoare triple {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:26,650 INFO L290 TraceCheckUtils]: 5: Hoare triple {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2393#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:26,652 INFO L290 TraceCheckUtils]: 4: Hoare triple {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} is VALID [2022-02-20 23:46:26,656 INFO L290 TraceCheckUtils]: 3: Hoare triple {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} is VALID [2022-02-20 23:46:26,656 INFO L290 TraceCheckUtils]: 2: Hoare triple {2416#(<= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2406#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_14| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_14| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_14|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_14|) 0))))} is VALID [2022-02-20 23:46:26,657 INFO L290 TraceCheckUtils]: 1: Hoare triple {2306#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2416#(<= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:26,657 INFO L290 TraceCheckUtils]: 0: Hoare triple {2306#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(22, 2); {2306#true} is VALID [2022-02-20 23:46:26,657 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 23:46:26,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412683586] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:26,658 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:26,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:46:26,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334706760] [2022-02-20 23:46:26,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:26,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 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 18 [2022-02-20 23:46:26,659 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:26,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:26,685 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:26,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:46:26,686 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:26,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:46:26,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:46:26,686 INFO L87 Difference]: Start difference. First operand 70 states and 85 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,145 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2022-02-20 23:46:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:46:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 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 18 [2022-02-20 23:46:27,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62 transitions. [2022-02-20 23:46:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62 transitions. [2022-02-20 23:46:27,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 62 transitions. [2022-02-20 23:46:27,193 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:27,194 INFO L225 Difference]: With dead ends: 85 [2022-02-20 23:46:27,194 INFO L226 Difference]: Without dead ends: 85 [2022-02-20 23:46:27,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:46:27,195 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 53 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:27,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 23 Unchecked, 0.1s Time] [2022-02-20 23:46:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-02-20 23:46:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2022-02-20 23:46:27,198 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:27,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,198 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,198 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,199 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2022-02-20 23:46:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2022-02-20 23:46:27,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:27,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:27,200 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 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 85 states. [2022-02-20 23:46:27,200 INFO L87 Difference]: Start difference. First operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 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 85 states. [2022-02-20 23:46:27,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,202 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2022-02-20 23:46:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2022-02-20 23:46:27,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:27,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:27,202 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:27,202 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2022-02-20 23:46:27,204 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 18 [2022-02-20 23:46:27,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:27,204 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2022-02-20 23:46:27,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2022-02-20 23:46:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 23:46:27,205 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:27,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:27,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 23:46:27,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:27,419 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:27,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:27,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1365588675, now seen corresponding path program 1 times [2022-02-20 23:46:27,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:27,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671271330] [2022-02-20 23:46:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:27,471 INFO L290 TraceCheckUtils]: 0: Hoare triple {2774#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(22, 2); {2774#true} is VALID [2022-02-20 23:46:27,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {2774#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,473 INFO L290 TraceCheckUtils]: 4: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,474 INFO L290 TraceCheckUtils]: 6: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,474 INFO L290 TraceCheckUtils]: 7: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,474 INFO L290 TraceCheckUtils]: 8: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,475 INFO L290 TraceCheckUtils]: 9: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,475 INFO L290 TraceCheckUtils]: 10: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,475 INFO L290 TraceCheckUtils]: 11: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,476 INFO L290 TraceCheckUtils]: 12: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,476 INFO L290 TraceCheckUtils]: 13: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,476 INFO L290 TraceCheckUtils]: 14: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~y~0#1.base < #StackHeapBarrier; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,477 INFO L290 TraceCheckUtils]: 15: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,477 INFO L290 TraceCheckUtils]: 16: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,478 INFO L290 TraceCheckUtils]: 17: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,478 INFO L290 TraceCheckUtils]: 18: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {2775#false} is VALID [2022-02-20 23:46:27,478 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 23:46:27,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:27,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671271330] [2022-02-20 23:46:27,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671271330] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:27,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913008595] [2022-02-20 23:46:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:27,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:27,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:27,480 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 23:46:27,481 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 23:46:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:27,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-20 23:46:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:27,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:27,598 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 13 treesize of output 9 [2022-02-20 23:46:27,626 INFO L290 TraceCheckUtils]: 0: Hoare triple {2774#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(22, 2); {2774#true} is VALID [2022-02-20 23:46:27,627 INFO L290 TraceCheckUtils]: 1: Hoare triple {2774#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,627 INFO L290 TraceCheckUtils]: 2: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,628 INFO L290 TraceCheckUtils]: 3: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,628 INFO L290 TraceCheckUtils]: 4: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,628 INFO L290 TraceCheckUtils]: 5: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,629 INFO L290 TraceCheckUtils]: 6: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,629 INFO L290 TraceCheckUtils]: 7: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,629 INFO L290 TraceCheckUtils]: 8: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,630 INFO L290 TraceCheckUtils]: 9: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,630 INFO L290 TraceCheckUtils]: 10: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,630 INFO L290 TraceCheckUtils]: 11: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,631 INFO L290 TraceCheckUtils]: 12: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,631 INFO L290 TraceCheckUtils]: 13: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,631 INFO L290 TraceCheckUtils]: 14: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~y~0#1.base < #StackHeapBarrier; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,632 INFO L290 TraceCheckUtils]: 15: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} is VALID [2022-02-20 23:46:27,632 INFO L290 TraceCheckUtils]: 16: Hoare triple {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} is VALID [2022-02-20 23:46:27,633 INFO L290 TraceCheckUtils]: 17: Hoare triple {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} main_#res#1 := 0; {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} is VALID [2022-02-20 23:46:27,633 INFO L290 TraceCheckUtils]: 18: Hoare triple {2827#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~y~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~y~0#1.base|) 0)))} assume !(#valid == main_old_#valid#1); {2775#false} is VALID [2022-02-20 23:46:27,634 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 23:46:27,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:27,678 INFO L290 TraceCheckUtils]: 18: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {2775#false} is VALID [2022-02-20 23:46:27,678 INFO L290 TraceCheckUtils]: 17: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,679 INFO L290 TraceCheckUtils]: 16: Hoare triple {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,679 INFO L290 TraceCheckUtils]: 15: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {2778#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:27,679 INFO L290 TraceCheckUtils]: 14: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~y~0#1.base < #StackHeapBarrier; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,680 INFO L290 TraceCheckUtils]: 13: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~y~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,681 INFO L290 TraceCheckUtils]: 11: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,681 INFO L290 TraceCheckUtils]: 10: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,682 INFO L290 TraceCheckUtils]: 9: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,682 INFO L290 TraceCheckUtils]: 8: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,682 INFO L290 TraceCheckUtils]: 7: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,683 INFO L290 TraceCheckUtils]: 6: Hoare triple {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,683 INFO L290 TraceCheckUtils]: 5: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {2777#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,683 INFO L290 TraceCheckUtils]: 4: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,684 INFO L290 TraceCheckUtils]: 3: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,684 INFO L290 TraceCheckUtils]: 2: Hoare triple {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,685 INFO L290 TraceCheckUtils]: 1: Hoare triple {2774#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2776#(= (store |#valid| |ULTIMATE.start_main_~y~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:27,685 INFO L290 TraceCheckUtils]: 0: Hoare triple {2774#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(22, 2); {2774#true} is VALID [2022-02-20 23:46:27,685 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 23:46:27,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913008595] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:27,685 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:27,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:46:27,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508156259] [2022-02-20 23:46:27,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:27,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 19 [2022-02-20 23:46:27,686 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:27,686 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,698 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:27,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:27,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:27,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:27,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:27,699 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,875 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2022-02-20 23:46:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:27,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 19 [2022-02-20 23:46:27,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2022-02-20 23:46:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2022-02-20 23:46:27,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 60 transitions. [2022-02-20 23:46:27,918 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:27,919 INFO L225 Difference]: With dead ends: 83 [2022-02-20 23:46:27,919 INFO L226 Difference]: Without dead ends: 72 [2022-02-20 23:46:27,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:27,919 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 6 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:27,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 109 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 25 Unchecked, 0.1s Time] [2022-02-20 23:46:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-02-20 23:46:27,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-02-20 23:46:27,921 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:27,922 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,922 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,922 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,923 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-02-20 23:46:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-02-20 23:46:27,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:27,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:27,923 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 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 72 states. [2022-02-20 23:46:27,924 INFO L87 Difference]: Start difference. First operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 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 72 states. [2022-02-20 23:46:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:27,924 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-02-20 23:46:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-02-20 23:46:27,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:27,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:27,925 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:27,925 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 71 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-02-20 23:46:27,929 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 19 [2022-02-20 23:46:27,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:27,930 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-02-20 23:46:27,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-02-20 23:46:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 23:46:27,930 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:27,930 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:27,949 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 23:46:28,138 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,SelfDestructingSolverStorable9 [2022-02-20 23:46:28,138 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash -190050214, now seen corresponding path program 1 times [2022-02-20 23:46:28,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:28,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072014218] [2022-02-20 23:46:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:28,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:28,204 INFO L290 TraceCheckUtils]: 0: Hoare triple {3193#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(22, 2); {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 1: Hoare triple {3193#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 2: Hoare triple {3193#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 3: Hoare triple {3193#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 4: Hoare triple {3193#true} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 5: Hoare triple {3193#true} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3193#true} is VALID [2022-02-20 23:46:28,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {3193#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3193#true} is VALID [2022-02-20 23:46:28,206 INFO L290 TraceCheckUtils]: 7: Hoare triple {3193#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,206 INFO L290 TraceCheckUtils]: 8: Hoare triple {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,206 INFO L290 TraceCheckUtils]: 9: Hoare triple {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,206 INFO L290 TraceCheckUtils]: 10: Hoare triple {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,207 INFO L290 TraceCheckUtils]: 11: Hoare triple {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,207 INFO L290 TraceCheckUtils]: 12: Hoare triple {3195#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {3196#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:28,208 INFO L290 TraceCheckUtils]: 13: Hoare triple {3196#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {3196#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:28,208 INFO L290 TraceCheckUtils]: 14: Hoare triple {3196#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= (+ 12 |ULTIMATE.start_main_~y~0#1.offset|) (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:28,209 INFO L290 TraceCheckUtils]: 15: Hoare triple {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:28,209 INFO L290 TraceCheckUtils]: 16: Hoare triple {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:28,209 INFO L290 TraceCheckUtils]: 17: Hoare triple {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:28,210 INFO L290 TraceCheckUtils]: 18: Hoare triple {3197#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {3194#false} is VALID [2022-02-20 23:46:28,210 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 23:46:28,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:28,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072014218] [2022-02-20 23:46:28,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072014218] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:28,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:28,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:28,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996839407] [2022-02-20 23:46:28,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-02-20 23:46:28,214 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:28,214 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,225 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:28,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:46:28,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:28,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:46:28,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:28,226 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,369 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2022-02-20 23:46:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:28,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-02-20 23:46:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-02-20 23:46:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-02-20 23:46:28,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 72 transitions. [2022-02-20 23:46:28,434 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:28,435 INFO L225 Difference]: With dead ends: 81 [2022-02-20 23:46:28,435 INFO L226 Difference]: Without dead ends: 81 [2022-02-20 23:46:28,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:28,435 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 74 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:28,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 51 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-20 23:46:28,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2022-02-20 23:46:28,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:28,437 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,437 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,438 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,438 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2022-02-20 23:46:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-02-20 23:46:28,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:28,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:28,439 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 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 81 states. [2022-02-20 23:46:28,439 INFO L87 Difference]: Start difference. First operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 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 81 states. [2022-02-20 23:46:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,440 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2022-02-20 23:46:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-02-20 23:46:28,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:28,440 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:28,440 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:28,440 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-02-20 23:46:28,446 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 19 [2022-02-20 23:46:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:28,446 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-02-20 23:46:28,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-02-20 23:46:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:46:28,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:28,446 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] [2022-02-20 23:46:28,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:46:28,446 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:28,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash -36338646, now seen corresponding path program 1 times [2022-02-20 23:46:28,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:28,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963262750] [2022-02-20 23:46:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:28,551 INFO L290 TraceCheckUtils]: 0: Hoare triple {3514#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(22, 2); {3514#true} is VALID [2022-02-20 23:46:28,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {3514#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 3: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 4: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3514#true} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 6: Hoare triple {3514#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3514#true} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {3514#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,554 INFO L290 TraceCheckUtils]: 10: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:28,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {3516#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {3517#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0))} is VALID [2022-02-20 23:46:28,555 INFO L290 TraceCheckUtils]: 12: Hoare triple {3517#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~malloc8#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,555 INFO L290 TraceCheckUtils]: 13: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,556 INFO L290 TraceCheckUtils]: 14: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:28,556 INFO L290 TraceCheckUtils]: 15: Hoare triple {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:28,556 INFO L290 TraceCheckUtils]: 16: Hoare triple {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:28,557 INFO L290 TraceCheckUtils]: 17: Hoare triple {3519#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,557 INFO L290 TraceCheckUtils]: 18: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,557 INFO L290 TraceCheckUtils]: 19: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,558 INFO L290 TraceCheckUtils]: 20: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,558 INFO L290 TraceCheckUtils]: 21: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} is VALID [2022-02-20 23:46:28,559 INFO L290 TraceCheckUtils]: 22: Hoare triple {3518#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 0))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {3520#(= |ULTIMATE.start_main_#t~mem11#1.offset| 0)} is VALID [2022-02-20 23:46:28,559 INFO L290 TraceCheckUtils]: 23: Hoare triple {3520#(= |ULTIMATE.start_main_#t~mem11#1.offset| 0)} assume !(0 == main_#t~mem11#1.offset); {3515#false} is VALID [2022-02-20 23:46:28,559 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 23:46:28,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:28,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963262750] [2022-02-20 23:46:28,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963262750] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:28,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:28,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:28,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697110616] [2022-02-20 23:46:28,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:28,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) 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 23:46:28,560 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:28,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 4.0) 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 23:46:28,576 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 23:46:28,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:46:28,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:28,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:46:28,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:28,577 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 7 states, 6 states have (on average 4.0) 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 23:46:28,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,915 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2022-02-20 23:46:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:46:28,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) 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 23:46:28,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.0) 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 23:46:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 79 transitions. [2022-02-20 23:46:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.0) 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 23:46:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 79 transitions. [2022-02-20 23:46:28,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 79 transitions. [2022-02-20 23:46:28,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:28,969 INFO L225 Difference]: With dead ends: 87 [2022-02-20 23:46:28,970 INFO L226 Difference]: Without dead ends: 87 [2022-02-20 23:46:28,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:46:28,970 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 50 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:28,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 168 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-02-20 23:46:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 68. [2022-02-20 23:46:28,972 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:28,972 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,972 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,972 INFO L87 Difference]: Start difference. First operand 87 states. Second operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,973 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2022-02-20 23:46:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-02-20 23:46:28,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:28,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:28,973 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:46:28,973 INFO L87 Difference]: Start difference. First operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 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 87 states. [2022-02-20 23:46:28,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:28,974 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2022-02-20 23:46:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-02-20 23:46:28,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:28,974 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:28,974 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:28,974 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2022-02-20 23:46:28,975 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 24 [2022-02-20 23:46:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:28,975 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2022-02-20 23:46:28,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) 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 23:46:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-02-20 23:46:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:46:28,975 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:28,975 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] [2022-02-20 23:46:28,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:46:28,975 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:28,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:28,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1126497925, now seen corresponding path program 1 times [2022-02-20 23:46:28,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:28,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9288217] [2022-02-20 23:46:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:29,075 INFO L290 TraceCheckUtils]: 0: Hoare triple {3865#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(22, 2); {3865#true} is VALID [2022-02-20 23:46:29,075 INFO L290 TraceCheckUtils]: 1: Hoare triple {3865#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,076 INFO L290 TraceCheckUtils]: 2: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,076 INFO L290 TraceCheckUtils]: 3: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,076 INFO L290 TraceCheckUtils]: 4: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,076 INFO L290 TraceCheckUtils]: 5: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3865#true} is VALID [2022-02-20 23:46:29,076 INFO L290 TraceCheckUtils]: 6: Hoare triple {3865#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3865#true} is VALID [2022-02-20 23:46:29,077 INFO L290 TraceCheckUtils]: 7: Hoare triple {3865#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,077 INFO L290 TraceCheckUtils]: 8: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,081 INFO L290 TraceCheckUtils]: 9: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,081 INFO L290 TraceCheckUtils]: 10: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,082 INFO L290 TraceCheckUtils]: 11: Hoare triple {3867#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {3868#(and (<= (+ |ULTIMATE.start_main_#t~malloc8#1.base| 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,084 INFO L290 TraceCheckUtils]: 12: Hoare triple {3868#(and (<= (+ |ULTIMATE.start_main_#t~malloc8#1.base| 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,084 INFO L290 TraceCheckUtils]: 13: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,092 INFO L290 TraceCheckUtils]: 14: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} is VALID [2022-02-20 23:46:29,093 INFO L290 TraceCheckUtils]: 15: Hoare triple {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} is VALID [2022-02-20 23:46:29,093 INFO L290 TraceCheckUtils]: 16: Hoare triple {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} is VALID [2022-02-20 23:46:29,094 INFO L290 TraceCheckUtils]: 17: Hoare triple {3870#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) 1) |#StackHeapBarrier|))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,094 INFO L290 TraceCheckUtils]: 18: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,095 INFO L290 TraceCheckUtils]: 19: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,096 INFO L290 TraceCheckUtils]: 20: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,098 INFO L290 TraceCheckUtils]: 21: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:29,099 INFO L290 TraceCheckUtils]: 22: Hoare triple {3869#(and (<= (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) 1) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {3871#(<= (+ |ULTIMATE.start_main_#t~mem11#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:29,099 INFO L290 TraceCheckUtils]: 23: Hoare triple {3871#(<= (+ |ULTIMATE.start_main_#t~mem11#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_#t~mem11#1.offset; {3871#(<= (+ |ULTIMATE.start_main_#t~mem11#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:29,100 INFO L290 TraceCheckUtils]: 24: Hoare triple {3871#(<= (+ |ULTIMATE.start_main_#t~mem11#1.base| 1) |#StackHeapBarrier|)} assume !(main_#t~mem11#1.base < #StackHeapBarrier); {3866#false} is VALID [2022-02-20 23:46:29,100 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 23:46:29,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:29,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9288217] [2022-02-20 23:46:29,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9288217] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:29,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:29,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:29,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118226474] [2022-02-20 23:46:29,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:29,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-02-20 23:46:29,101 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:29,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,118 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:29,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:46:29,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:46:29,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:29,119 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:29,492 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2022-02-20 23:46:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:46:29,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-02-20 23:46:29,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 78 transitions. [2022-02-20 23:46:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 78 transitions. [2022-02-20 23:46:29,493 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 78 transitions. [2022-02-20 23:46:29,553 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:29,554 INFO L225 Difference]: With dead ends: 86 [2022-02-20 23:46:29,554 INFO L226 Difference]: Without dead ends: 86 [2022-02-20 23:46:29,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:46:29,555 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 43 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:29,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 136 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:29,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-02-20 23:46:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 68. [2022-02-20 23:46:29,556 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:29,557 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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 23:46:29,557 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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 23:46:29,557 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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 23:46:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:29,558 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2022-02-20 23:46:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-02-20 23:46:29,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:29,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:29,558 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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) Second operand 86 states. [2022-02-20 23:46:29,559 INFO L87 Difference]: Start difference. First operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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) Second operand 86 states. [2022-02-20 23:46:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:29,560 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2022-02-20 23:46:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2022-02-20 23:46:29,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:29,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:29,560 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:29,561 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 67 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 23:46:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-02-20 23:46:29,561 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 25 [2022-02-20 23:46:29,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:29,562 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-02-20 23:46:29,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-02-20 23:46:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:46:29,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:29,562 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 23:46:29,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:46:29,562 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:29,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:29,563 INFO L85 PathProgramCache]: Analyzing trace with hash -561697204, now seen corresponding path program 1 times [2022-02-20 23:46:29,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:29,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40199405] [2022-02-20 23:46:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:29,647 INFO L290 TraceCheckUtils]: 0: Hoare triple {4213#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(22, 2); {4213#true} is VALID [2022-02-20 23:46:29,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {4213#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,648 INFO L290 TraceCheckUtils]: 3: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,648 INFO L290 TraceCheckUtils]: 4: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4213#true} is VALID [2022-02-20 23:46:29,648 INFO L290 TraceCheckUtils]: 6: Hoare triple {4213#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4213#true} is VALID [2022-02-20 23:46:29,648 INFO L290 TraceCheckUtils]: 7: Hoare triple {4213#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,649 INFO L290 TraceCheckUtils]: 9: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,649 INFO L290 TraceCheckUtils]: 10: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:29,650 INFO L290 TraceCheckUtils]: 11: Hoare triple {4215#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {4216#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_#t~malloc8#1.base|) 1))} is VALID [2022-02-20 23:46:29,650 INFO L290 TraceCheckUtils]: 12: Hoare triple {4216#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_#t~malloc8#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,651 INFO L290 TraceCheckUtils]: 13: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,652 INFO L290 TraceCheckUtils]: 14: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} is VALID [2022-02-20 23:46:29,652 INFO L290 TraceCheckUtils]: 15: Hoare triple {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} is VALID [2022-02-20 23:46:29,652 INFO L290 TraceCheckUtils]: 16: Hoare triple {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} is VALID [2022-02-20 23:46:29,653 INFO L290 TraceCheckUtils]: 17: Hoare triple {4218#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) 1))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,653 INFO L290 TraceCheckUtils]: 18: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,654 INFO L290 TraceCheckUtils]: 19: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,655 INFO L290 TraceCheckUtils]: 20: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,655 INFO L290 TraceCheckUtils]: 21: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} is VALID [2022-02-20 23:46:29,656 INFO L290 TraceCheckUtils]: 22: Hoare triple {4217#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) 1))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:46:29,656 INFO L290 TraceCheckUtils]: 23: Hoare triple {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} assume 0 == main_#t~mem11#1.offset; {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:46:29,656 INFO L290 TraceCheckUtils]: 24: Hoare triple {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} assume main_#t~mem11#1.base < #StackHeapBarrier; {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:46:29,657 INFO L290 TraceCheckUtils]: 25: Hoare triple {4219#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} assume !(0 == main_#t~mem11#1.base || 1 == #valid[main_#t~mem11#1.base]); {4214#false} is VALID [2022-02-20 23:46:29,662 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 23:46:29,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:29,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40199405] [2022-02-20 23:46:29,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40199405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:29,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:29,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:29,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751901016] [2022-02-20 23:46:29,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:29,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,665 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:29,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,681 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 23:46:29,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:46:29,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:46:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:29,682 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:29,955 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2022-02-20 23:46:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:29,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 60 transitions. [2022-02-20 23:46:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 60 transitions. [2022-02-20 23:46:29,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 60 transitions. [2022-02-20 23:46:29,995 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:29,995 INFO L225 Difference]: With dead ends: 69 [2022-02-20 23:46:29,995 INFO L226 Difference]: Without dead ends: 69 [2022-02-20 23:46:29,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:46:29,996 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 27 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:29,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 80 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:29,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-02-20 23:46:29,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-02-20 23:46:29,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:29,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,998 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,998 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:29,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:29,998 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2022-02-20 23:46:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2022-02-20 23:46:29,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:29,998 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:29,999 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 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 69 states. [2022-02-20 23:46:29,999 INFO L87 Difference]: Start difference. First operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 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 69 states. [2022-02-20 23:46:30,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:30,004 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2022-02-20 23:46:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2022-02-20 23:46:30,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:30,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:30,004 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:30,005 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2022-02-20 23:46:30,005 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 26 [2022-02-20 23:46:30,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:30,006 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2022-02-20 23:46:30,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 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 23:46:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2022-02-20 23:46:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:46:30,006 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:30,006 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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 23:46:30,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:46:30,006 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1337846250, now seen corresponding path program 1 times [2022-02-20 23:46:30,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:30,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497619266] [2022-02-20 23:46:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:30,120 INFO L290 TraceCheckUtils]: 0: Hoare triple {4508#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(22, 2); {4508#true} is VALID [2022-02-20 23:46:30,120 INFO L290 TraceCheckUtils]: 1: Hoare triple {4508#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4508#true} is VALID [2022-02-20 23:46:30,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {4508#true} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,121 INFO L290 TraceCheckUtils]: 3: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,121 INFO L290 TraceCheckUtils]: 4: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,121 INFO L290 TraceCheckUtils]: 5: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,122 INFO L290 TraceCheckUtils]: 6: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,122 INFO L290 TraceCheckUtils]: 7: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {4512#(not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))} is VALID [2022-02-20 23:46:30,123 INFO L290 TraceCheckUtils]: 8: Hoare triple {4512#(not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {4513#(and (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {4513#(and (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,124 INFO L290 TraceCheckUtils]: 10: Hoare triple {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,126 INFO L290 TraceCheckUtils]: 12: Hoare triple {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,126 INFO L290 TraceCheckUtils]: 13: Hoare triple {4514#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,127 INFO L290 TraceCheckUtils]: 14: Hoare triple {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,127 INFO L290 TraceCheckUtils]: 15: Hoare triple {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,128 INFO L290 TraceCheckUtils]: 16: Hoare triple {4515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,128 INFO L290 TraceCheckUtils]: 17: Hoare triple {4516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} is VALID [2022-02-20 23:46:30,129 INFO L290 TraceCheckUtils]: 18: Hoare triple {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,129 INFO L290 TraceCheckUtils]: 19: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,131 INFO L290 TraceCheckUtils]: 20: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,131 INFO L290 TraceCheckUtils]: 21: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,132 INFO L290 TraceCheckUtils]: 22: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,132 INFO L290 TraceCheckUtils]: 23: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,132 INFO L290 TraceCheckUtils]: 24: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,133 INFO L290 TraceCheckUtils]: 25: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {4509#false} is VALID [2022-02-20 23:46:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:30,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:30,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497619266] [2022-02-20 23:46:30,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497619266] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:30,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809255821] [2022-02-20 23:46:30,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:30,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:30,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:30,135 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 23:46:30,136 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 23:46:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:30,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-20 23:46:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:30,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:30,241 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 23:46:30,267 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:30,267 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 23:46:30,286 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 23:46:30,315 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:30,315 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 28 treesize of output 29 [2022-02-20 23:46:30,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:30,367 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 31 treesize of output 26 [2022-02-20 23:46:30,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:30,524 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:30,524 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 25 treesize of output 16 [2022-02-20 23:46:30,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-02-20 23:46:30,613 INFO L290 TraceCheckUtils]: 0: Hoare triple {4508#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(22, 2); {4508#true} is VALID [2022-02-20 23:46:30,614 INFO L290 TraceCheckUtils]: 1: Hoare triple {4508#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,614 INFO L290 TraceCheckUtils]: 2: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,614 INFO L290 TraceCheckUtils]: 3: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,615 INFO L290 TraceCheckUtils]: 4: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,615 INFO L290 TraceCheckUtils]: 5: Hoare triple {4510#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,615 INFO L290 TraceCheckUtils]: 6: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,616 INFO L290 TraceCheckUtils]: 7: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {4543#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,616 INFO L290 TraceCheckUtils]: 8: Hoare triple {4543#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {4547#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,617 INFO L290 TraceCheckUtils]: 9: Hoare triple {4547#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,617 INFO L290 TraceCheckUtils]: 10: Hoare triple {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,618 INFO L290 TraceCheckUtils]: 11: Hoare triple {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,619 INFO L290 TraceCheckUtils]: 12: Hoare triple {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:30,619 INFO L290 TraceCheckUtils]: 13: Hoare triple {4551#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:30,619 INFO L290 TraceCheckUtils]: 14: Hoare triple {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:30,620 INFO L290 TraceCheckUtils]: 15: Hoare triple {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:30,620 INFO L290 TraceCheckUtils]: 16: Hoare triple {4564#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4574#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:30,621 INFO L290 TraceCheckUtils]: 17: Hoare triple {4574#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} is VALID [2022-02-20 23:46:30,621 INFO L290 TraceCheckUtils]: 18: Hoare triple {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,621 INFO L290 TraceCheckUtils]: 19: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,622 INFO L290 TraceCheckUtils]: 20: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,622 INFO L290 TraceCheckUtils]: 21: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,623 INFO L290 TraceCheckUtils]: 22: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:30,623 INFO L290 TraceCheckUtils]: 23: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,623 INFO L290 TraceCheckUtils]: 24: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:30,623 INFO L290 TraceCheckUtils]: 25: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {4509#false} is VALID [2022-02-20 23:46:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:30,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:31,348 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:31,348 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 31 treesize of output 35 [2022-02-20 23:46:31,534 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:31,534 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 1 case distinctions, treesize of input 38 treesize of output 31 [2022-02-20 23:46:31,552 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:31,553 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 55 treesize of output 51 [2022-02-20 23:46:31,581 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 38 treesize of output 36 [2022-02-20 23:46:31,595 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 36 treesize of output 34 [2022-02-20 23:46:31,760 INFO L290 TraceCheckUtils]: 25: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {4509#false} is VALID [2022-02-20 23:46:31,761 INFO L290 TraceCheckUtils]: 24: Hoare triple {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:31,761 INFO L290 TraceCheckUtils]: 23: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {4511#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:31,762 INFO L290 TraceCheckUtils]: 22: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:31,762 INFO L290 TraceCheckUtils]: 21: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:31,762 INFO L290 TraceCheckUtils]: 20: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:31,763 INFO L290 TraceCheckUtils]: 19: Hoare triple {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:31,763 INFO L290 TraceCheckUtils]: 18: Hoare triple {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {4518#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:31,764 INFO L290 TraceCheckUtils]: 17: Hoare triple {4626#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {4517#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} is VALID [2022-02-20 23:46:31,765 INFO L290 TraceCheckUtils]: 16: Hoare triple {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4626#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:31,765 INFO L290 TraceCheckUtils]: 15: Hoare triple {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} is VALID [2022-02-20 23:46:31,766 INFO L290 TraceCheckUtils]: 14: Hoare triple {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} is VALID [2022-02-20 23:46:31,766 INFO L290 TraceCheckUtils]: 13: Hoare triple {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4630#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)))} is VALID [2022-02-20 23:46:31,768 INFO L290 TraceCheckUtils]: 12: Hoare triple {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} is VALID [2022-02-20 23:46:31,768 INFO L290 TraceCheckUtils]: 11: Hoare triple {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} is VALID [2022-02-20 23:46:31,769 INFO L290 TraceCheckUtils]: 10: Hoare triple {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} is VALID [2022-02-20 23:46:31,771 INFO L290 TraceCheckUtils]: 9: Hoare triple {4653#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (forall ((v_ArrVal_493 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_493) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|) |ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_493 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_493) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|) |ULTIMATE.start_main_~y~0#1.base|)))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {4640#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|)) 1)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} is VALID [2022-02-20 23:46:31,773 INFO L290 TraceCheckUtils]: 8: Hoare triple {4657#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {4653#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_20| Int)) (or (and (forall ((v_ArrVal_493 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_493) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|) |ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_493 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_493) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_20|) |ULTIMATE.start_main_~y~0#1.base|)))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_20| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_20|))))} is VALID [2022-02-20 23:46:31,774 INFO L290 TraceCheckUtils]: 7: Hoare triple {4661#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {4657#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:31,774 INFO L290 TraceCheckUtils]: 6: Hoare triple {4661#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4661#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,774 INFO L290 TraceCheckUtils]: 5: Hoare triple {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {4661#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,775 INFO L290 TraceCheckUtils]: 4: Hoare triple {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,775 INFO L290 TraceCheckUtils]: 3: Hoare triple {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,775 INFO L290 TraceCheckUtils]: 2: Hoare triple {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,776 INFO L290 TraceCheckUtils]: 1: Hoare triple {4508#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4668#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:31,776 INFO L290 TraceCheckUtils]: 0: Hoare triple {4508#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(22, 2); {4508#true} is VALID [2022-02-20 23:46:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:31,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809255821] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:31,776 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:31,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 22 [2022-02-20 23:46:31,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913461043] [2022-02-20 23:46:31,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:31,777 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 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 23:46:31,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:31,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:31,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-20 23:46:31,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:31,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-20 23:46:31,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=441, Unknown=1, NotChecked=0, Total=506 [2022-02-20 23:46:31,831 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,775 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2022-02-20 23:46:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-20 23:46:32,775 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 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 23:46:32,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 93 transitions. [2022-02-20 23:46:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 93 transitions. [2022-02-20 23:46:32,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 93 transitions. [2022-02-20 23:46:32,846 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:32,846 INFO L225 Difference]: With dead ends: 95 [2022-02-20 23:46:32,846 INFO L226 Difference]: Without dead ends: 95 [2022-02-20 23:46:32,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=244, Invalid=945, Unknown=1, NotChecked=0, Total=1190 [2022-02-20 23:46:32,847 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:32,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 123 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 319 Invalid, 0 Unknown, 86 Unchecked, 0.3s Time] [2022-02-20 23:46:32,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-02-20 23:46:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 73. [2022-02-20 23:46:32,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:32,849 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,849 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,849 INFO L87 Difference]: Start difference. First operand 95 states. Second operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,850 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2022-02-20 23:46:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-02-20 23:46:32,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,850 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 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 95 states. [2022-02-20 23:46:32,850 INFO L87 Difference]: Start difference. First operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 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 95 states. [2022-02-20 23:46:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,851 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2022-02-20 23:46:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-02-20 23:46:32,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,852 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:32,852 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 61 states have (on average 1.360655737704918) internal successors, (83), 72 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-02-20 23:46:32,853 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 26 [2022-02-20 23:46:32,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:32,853 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-02-20 23:46:32,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-02-20 23:46:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:46:32,853 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:32,853 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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 23:46:32,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:46:33,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:33,075 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:33,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:33,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1337846251, now seen corresponding path program 1 times [2022-02-20 23:46:33,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:33,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005796785] [2022-02-20 23:46:33,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:33,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:33,231 INFO L290 TraceCheckUtils]: 0: Hoare triple {5072#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(22, 2); {5072#true} is VALID [2022-02-20 23:46:33,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {5072#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5074#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,233 INFO L290 TraceCheckUtils]: 2: Hoare triple {5074#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,233 INFO L290 TraceCheckUtils]: 3: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,234 INFO L290 TraceCheckUtils]: 4: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,234 INFO L290 TraceCheckUtils]: 5: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,235 INFO L290 TraceCheckUtils]: 6: Hoare triple {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,236 INFO L290 TraceCheckUtils]: 7: Hoare triple {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5077#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,237 INFO L290 TraceCheckUtils]: 8: Hoare triple {5077#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5078#(and (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:33,238 INFO L290 TraceCheckUtils]: 9: Hoare triple {5078#(and (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,238 INFO L290 TraceCheckUtils]: 10: Hoare triple {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,240 INFO L290 TraceCheckUtils]: 11: Hoare triple {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,242 INFO L290 TraceCheckUtils]: 12: Hoare triple {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,243 INFO L290 TraceCheckUtils]: 13: Hoare triple {5079#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:33,243 INFO L290 TraceCheckUtils]: 14: Hoare triple {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:33,244 INFO L290 TraceCheckUtils]: 15: Hoare triple {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:33,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:33,245 INFO L290 TraceCheckUtils]: 17: Hoare triple {5080#(and (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5081#(and (<= 13 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} is VALID [2022-02-20 23:46:33,245 INFO L290 TraceCheckUtils]: 18: Hoare triple {5081#(and (<= 13 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,246 INFO L290 TraceCheckUtils]: 19: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,246 INFO L290 TraceCheckUtils]: 20: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,246 INFO L290 TraceCheckUtils]: 21: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,247 INFO L290 TraceCheckUtils]: 22: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,247 INFO L290 TraceCheckUtils]: 23: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,248 INFO L290 TraceCheckUtils]: 24: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,248 INFO L290 TraceCheckUtils]: 25: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {5073#false} is VALID [2022-02-20 23:46:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:33,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:33,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005796785] [2022-02-20 23:46:33,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005796785] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:33,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600226340] [2022-02-20 23:46:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:33,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:33,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:33,250 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 23:46:33,251 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 23:46:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:33,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-20 23:46:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:33,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:33,357 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 23:46:33,364 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 23:46:33,440 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:33,440 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 23:46:33,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-02-20 23:46:33,483 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 23:46:33,491 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 23:46:33,530 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:33,530 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 23:46:33,547 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 18 treesize of output 20 [2022-02-20 23:46:33,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:33,633 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 23:46:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:33,644 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 31 treesize of output 26 [2022-02-20 23:46:33,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:33,797 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 25 treesize of output 13 [2022-02-20 23:46:33,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:33,842 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:46:33,934 INFO L290 TraceCheckUtils]: 0: Hoare triple {5072#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(22, 2); {5072#true} is VALID [2022-02-20 23:46:33,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {5072#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,935 INFO L290 TraceCheckUtils]: 2: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,936 INFO L290 TraceCheckUtils]: 3: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,936 INFO L290 TraceCheckUtils]: 4: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:33,936 INFO L290 TraceCheckUtils]: 5: Hoare triple {5075#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~y~0#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,937 INFO L290 TraceCheckUtils]: 6: Hoare triple {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,937 INFO L290 TraceCheckUtils]: 7: Hoare triple {5076#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5107#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,938 INFO L290 TraceCheckUtils]: 8: Hoare triple {5107#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5111#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:33,939 INFO L290 TraceCheckUtils]: 9: Hoare triple {5111#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,939 INFO L290 TraceCheckUtils]: 10: Hoare triple {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,940 INFO L290 TraceCheckUtils]: 11: Hoare triple {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,941 INFO L290 TraceCheckUtils]: 12: Hoare triple {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:46:33,941 INFO L290 TraceCheckUtils]: 13: Hoare triple {5115#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} is VALID [2022-02-20 23:46:33,942 INFO L290 TraceCheckUtils]: 14: Hoare triple {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} is VALID [2022-02-20 23:46:33,942 INFO L290 TraceCheckUtils]: 15: Hoare triple {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} is VALID [2022-02-20 23:46:33,942 INFO L290 TraceCheckUtils]: 16: Hoare triple {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} is VALID [2022-02-20 23:46:33,943 INFO L290 TraceCheckUtils]: 17: Hoare triple {5128#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)) (<= 13 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5081#(and (<= 13 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} is VALID [2022-02-20 23:46:33,943 INFO L290 TraceCheckUtils]: 18: Hoare triple {5081#(and (<= 13 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,944 INFO L290 TraceCheckUtils]: 19: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,948 INFO L290 TraceCheckUtils]: 20: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,949 INFO L290 TraceCheckUtils]: 21: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,949 INFO L290 TraceCheckUtils]: 22: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,950 INFO L290 TraceCheckUtils]: 23: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,950 INFO L290 TraceCheckUtils]: 24: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,950 INFO L290 TraceCheckUtils]: 25: Hoare triple {5082#(and (<= 13 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {5073#false} is VALID [2022-02-20 23:46:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:33,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:34,803 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:34,803 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 1 case distinctions, treesize of input 56 treesize of output 49 [2022-02-20 23:46:34,827 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:34,827 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 1 case distinctions, treesize of input 49 treesize of output 49 [2022-02-20 23:46:34,847 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:34,847 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 72 treesize of output 72 [2022-02-20 23:46:34,878 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:34,878 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 118 treesize of output 110 [2022-02-20 23:46:34,930 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 85 treesize of output 81 [2022-02-20 23:46:34,946 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 81 treesize of output 77 [2022-02-20 23:46:34,964 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 77 treesize of output 75 [2022-02-20 23:46:35,625 INFO L290 TraceCheckUtils]: 25: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {5073#false} is VALID [2022-02-20 23:46:35,625 INFO L290 TraceCheckUtils]: 24: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,626 INFO L290 TraceCheckUtils]: 23: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,626 INFO L290 TraceCheckUtils]: 22: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume main_~y~0#1.base < #StackHeapBarrier; {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,626 INFO L290 TraceCheckUtils]: 21: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume 0 == main_~y~0#1.offset; {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,627 INFO L290 TraceCheckUtils]: 20: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,627 INFO L290 TraceCheckUtils]: 19: Hoare triple {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,628 INFO L290 TraceCheckUtils]: 18: Hoare triple {5187#(and (<= 0 |ULTIMATE.start_main_#t~mem9#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem9#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5165#(and (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))} is VALID [2022-02-20 23:46:35,628 INFO L290 TraceCheckUtils]: 17: Hoare triple {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5187#(and (<= 0 |ULTIMATE.start_main_#t~mem9#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem9#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)))} is VALID [2022-02-20 23:46:35,629 INFO L290 TraceCheckUtils]: 16: Hoare triple {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,629 INFO L290 TraceCheckUtils]: 15: Hoare triple {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,630 INFO L290 TraceCheckUtils]: 14: Hoare triple {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,631 INFO L290 TraceCheckUtils]: 13: Hoare triple {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5191#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,632 INFO L290 TraceCheckUtils]: 12: Hoare triple {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} is VALID [2022-02-20 23:46:35,632 INFO L290 TraceCheckUtils]: 11: Hoare triple {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} is VALID [2022-02-20 23:46:35,633 INFO L290 TraceCheckUtils]: 10: Hoare triple {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} is VALID [2022-02-20 23:46:35,635 INFO L290 TraceCheckUtils]: 9: Hoare triple {5217#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|)) (and (forall ((v_ArrVal_586 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_586) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (forall ((v_ArrVal_586 (Array Int Int)) (v_ArrVal_587 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_586) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_587) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|)))))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5204#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|))))} is VALID [2022-02-20 23:46:35,636 INFO L290 TraceCheckUtils]: 8: Hoare triple {5221#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0) (or (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5217#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_24| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_24| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_24|)) (and (forall ((v_ArrVal_586 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_586) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|))) (forall ((v_ArrVal_586 (Array Int Int)) (v_ArrVal_587 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_586) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_587) |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_24|)))))))} is VALID [2022-02-20 23:46:35,637 INFO L290 TraceCheckUtils]: 7: Hoare triple {5225#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~list~0#1.base|))) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5221#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0) (or (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)))} is VALID [2022-02-20 23:46:35,638 INFO L290 TraceCheckUtils]: 6: Hoare triple {5225#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~list~0#1.base|))) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5225#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~list~0#1.base|))) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,639 INFO L290 TraceCheckUtils]: 5: Hoare triple {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5225#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~list~0#1.base|))) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:46:35,640 INFO L290 TraceCheckUtils]: 4: Hoare triple {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} is VALID [2022-02-20 23:46:35,640 INFO L290 TraceCheckUtils]: 3: Hoare triple {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} is VALID [2022-02-20 23:46:35,641 INFO L290 TraceCheckUtils]: 2: Hoare triple {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} is VALID [2022-02-20 23:46:35,642 INFO L290 TraceCheckUtils]: 1: Hoare triple {5072#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5232#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_50| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_50|) 0)) (and (forall ((v_ArrVal_581 Int)) (<= (+ |ULTIMATE.start_main_~y~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_main_~y~0#1.base_50| v_ArrVal_581) |ULTIMATE.start_main_~y~0#1.base|))) (<= 0 |ULTIMATE.start_main_~y~0#1.offset|) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_50|)))))} is VALID [2022-02-20 23:46:35,642 INFO L290 TraceCheckUtils]: 0: Hoare triple {5072#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(22, 2); {5072#true} is VALID [2022-02-20 23:46:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:35,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600226340] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:35,643 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:35,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2022-02-20 23:46:35,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831205762] [2022-02-20 23:46:35,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:35,643 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 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 23:46:35,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:35,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,697 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:35,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-20 23:46:35,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:35,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-20 23:46:35,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=438, Unknown=2, NotChecked=0, Total=506 [2022-02-20 23:46:35,698 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,712 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-02-20 23:46:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:46:36,712 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 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 23:46:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 107 transitions. [2022-02-20 23:46:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 107 transitions. [2022-02-20 23:46:36,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 107 transitions. [2022-02-20 23:46:36,794 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 23:46:36,795 INFO L225 Difference]: With dead ends: 111 [2022-02-20 23:46:36,795 INFO L226 Difference]: Without dead ends: 111 [2022-02-20 23:46:36,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=242, Invalid=878, Unknown=2, NotChecked=0, Total=1122 [2022-02-20 23:46:36,796 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 183 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:36,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 158 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 340 Invalid, 0 Unknown, 147 Unchecked, 0.3s Time] [2022-02-20 23:46:36,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-02-20 23:46:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 85. [2022-02-20 23:46:36,798 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:36,798 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,798 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,798 INFO L87 Difference]: Start difference. First operand 111 states. Second operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,799 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-02-20 23:46:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2022-02-20 23:46:36,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,800 INFO L74 IsIncluded]: Start isIncluded. First operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 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 111 states. [2022-02-20 23:46:36,800 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 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 111 states. [2022-02-20 23:46:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,801 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2022-02-20 23:46:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2022-02-20 23:46:36,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:36,802 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 84 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2022-02-20 23:46:36,803 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 26 [2022-02-20 23:46:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:36,803 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2022-02-20 23:46:36,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.909090909090909) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2022-02-20 23:46:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:46:36,804 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:36,804 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] [2022-02-20 23:46:36,822 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 23:46:37,014 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,SelfDestructingSolverStorable15 [2022-02-20 23:46:37,014 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:37,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1476440114, now seen corresponding path program 1 times [2022-02-20 23:46:37,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:37,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775686748] [2022-02-20 23:46:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:37,130 INFO L290 TraceCheckUtils]: 0: Hoare triple {5690#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(22, 2); {5690#true} is VALID [2022-02-20 23:46:37,130 INFO L290 TraceCheckUtils]: 1: Hoare triple {5690#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5692#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} is VALID [2022-02-20 23:46:37,131 INFO L290 TraceCheckUtils]: 2: Hoare triple {5692#(not (= |ULTIMATE.start_main_~y~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,131 INFO L290 TraceCheckUtils]: 3: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,132 INFO L290 TraceCheckUtils]: 4: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,132 INFO L290 TraceCheckUtils]: 5: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,132 INFO L290 TraceCheckUtils]: 6: Hoare triple {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,133 INFO L290 TraceCheckUtils]: 7: Hoare triple {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5695#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,134 INFO L290 TraceCheckUtils]: 8: Hoare triple {5695#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5696#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,134 INFO L290 TraceCheckUtils]: 9: Hoare triple {5696#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,135 INFO L290 TraceCheckUtils]: 10: Hoare triple {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,135 INFO L290 TraceCheckUtils]: 11: Hoare triple {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,136 INFO L290 TraceCheckUtils]: 12: Hoare triple {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,136 INFO L290 TraceCheckUtils]: 13: Hoare triple {5697#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,136 INFO L290 TraceCheckUtils]: 14: Hoare triple {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,136 INFO L290 TraceCheckUtils]: 15: Hoare triple {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,137 INFO L290 TraceCheckUtils]: 16: Hoare triple {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,137 INFO L290 TraceCheckUtils]: 17: Hoare triple {5698#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:37,137 INFO L290 TraceCheckUtils]: 18: Hoare triple {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,138 INFO L290 TraceCheckUtils]: 19: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,138 INFO L290 TraceCheckUtils]: 20: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,138 INFO L290 TraceCheckUtils]: 21: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,138 INFO L290 TraceCheckUtils]: 22: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,139 INFO L290 TraceCheckUtils]: 23: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,139 INFO L290 TraceCheckUtils]: 24: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {5691#false} is VALID [2022-02-20 23:46:37,139 INFO L290 TraceCheckUtils]: 25: Hoare triple {5691#false} main_#res#1 := 0; {5691#false} is VALID [2022-02-20 23:46:37,139 INFO L290 TraceCheckUtils]: 26: Hoare triple {5691#false} assume !(#valid == main_old_#valid#1); {5691#false} is VALID [2022-02-20 23:46:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:37,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:37,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775686748] [2022-02-20 23:46:37,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775686748] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:37,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373104382] [2022-02-20 23:46:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:37,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:37,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:37,141 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 23:46:37,141 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 23:46:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:37,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-20 23:46:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:37,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:37,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-20 23:46:37,277 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:37,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-02-20 23:46:37,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 23:46:37,325 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:37,325 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 27 treesize of output 28 [2022-02-20 23:46:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:37,375 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 30 treesize of output 25 [2022-02-20 23:46:37,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:37,493 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:37,493 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 24 treesize of output 15 [2022-02-20 23:46:37,530 INFO L290 TraceCheckUtils]: 0: Hoare triple {5690#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(22, 2); {5690#true} is VALID [2022-02-20 23:46:37,531 INFO L290 TraceCheckUtils]: 1: Hoare triple {5690#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,531 INFO L290 TraceCheckUtils]: 2: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,531 INFO L290 TraceCheckUtils]: 3: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,532 INFO L290 TraceCheckUtils]: 4: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:37,532 INFO L290 TraceCheckUtils]: 5: Hoare triple {5693#(and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,533 INFO L290 TraceCheckUtils]: 6: Hoare triple {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,533 INFO L290 TraceCheckUtils]: 7: Hoare triple {5694#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5725#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,534 INFO L290 TraceCheckUtils]: 8: Hoare triple {5725#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5729#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} is VALID [2022-02-20 23:46:37,534 INFO L290 TraceCheckUtils]: 9: Hoare triple {5729#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,535 INFO L290 TraceCheckUtils]: 10: Hoare triple {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,535 INFO L290 TraceCheckUtils]: 11: Hoare triple {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,536 INFO L290 TraceCheckUtils]: 12: Hoare triple {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,536 INFO L290 TraceCheckUtils]: 13: Hoare triple {5733#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0)))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:37,537 INFO L290 TraceCheckUtils]: 14: Hoare triple {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:37,537 INFO L290 TraceCheckUtils]: 15: Hoare triple {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:37,537 INFO L290 TraceCheckUtils]: 16: Hoare triple {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:37,538 INFO L290 TraceCheckUtils]: 17: Hoare triple {5746#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:37,538 INFO L290 TraceCheckUtils]: 18: Hoare triple {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,538 INFO L290 TraceCheckUtils]: 19: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,539 INFO L290 TraceCheckUtils]: 20: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,539 INFO L290 TraceCheckUtils]: 21: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,539 INFO L290 TraceCheckUtils]: 22: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,539 INFO L290 TraceCheckUtils]: 23: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:37,540 INFO L290 TraceCheckUtils]: 24: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {5691#false} is VALID [2022-02-20 23:46:37,540 INFO L290 TraceCheckUtils]: 25: Hoare triple {5691#false} main_#res#1 := 0; {5691#false} is VALID [2022-02-20 23:46:37,540 INFO L290 TraceCheckUtils]: 26: Hoare triple {5691#false} assume !(#valid == main_old_#valid#1); {5691#false} is VALID [2022-02-20 23:46:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:37,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:38,431 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_677 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_677) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|)))) is different from false [2022-02-20 23:46:38,532 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:38,532 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 1 case distinctions, treesize of input 24 treesize of output 25 [2022-02-20 23:46:38,554 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 43 treesize of output 39 [2022-02-20 23:46:38,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:38,571 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 27 treesize of output 25 [2022-02-20 23:46:38,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:38,597 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:38,597 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 27 treesize of output 31 [2022-02-20 23:46:38,888 INFO L290 TraceCheckUtils]: 26: Hoare triple {5691#false} assume !(#valid == main_old_#valid#1); {5691#false} is VALID [2022-02-20 23:46:38,888 INFO L290 TraceCheckUtils]: 25: Hoare triple {5691#false} main_#res#1 := 0; {5691#false} is VALID [2022-02-20 23:46:38,889 INFO L290 TraceCheckUtils]: 24: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {5691#false} is VALID [2022-02-20 23:46:38,889 INFO L290 TraceCheckUtils]: 23: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,889 INFO L290 TraceCheckUtils]: 22: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,890 INFO L290 TraceCheckUtils]: 21: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume 0 == main_~y~0#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,890 INFO L290 TraceCheckUtils]: 20: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,892 INFO L290 TraceCheckUtils]: 19: Hoare triple {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,892 INFO L290 TraceCheckUtils]: 18: Hoare triple {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5700#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:46:38,894 INFO L290 TraceCheckUtils]: 17: Hoare triple {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {5699#(not (= |ULTIMATE.start_main_#t~mem9#1.base| 0))} is VALID [2022-02-20 23:46:38,894 INFO L290 TraceCheckUtils]: 16: Hoare triple {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:38,895 INFO L290 TraceCheckUtils]: 15: Hoare triple {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:38,895 INFO L290 TraceCheckUtils]: 14: Hoare triple {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:38,896 INFO L290 TraceCheckUtils]: 13: Hoare triple {5826#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5813#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0)) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:38,897 INFO L290 TraceCheckUtils]: 12: Hoare triple {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {5826#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} is VALID [2022-02-20 23:46:38,897 INFO L290 TraceCheckUtils]: 11: Hoare triple {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} is VALID [2022-02-20 23:46:38,898 INFO L290 TraceCheckUtils]: 10: Hoare triple {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} is VALID [2022-02-20 23:46:38,899 INFO L290 TraceCheckUtils]: 9: Hoare triple {5840#(forall ((v_ArrVal_677 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {5830#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} is VALID [2022-02-20 23:46:38,899 INFO L290 TraceCheckUtils]: 8: Hoare triple {5844#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| 0)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {5840#(forall ((v_ArrVal_677 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))} is VALID [2022-02-20 23:46:38,901 INFO L290 TraceCheckUtils]: 7: Hoare triple {5848#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5844#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| 0)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (<= |ULTIMATE.start_main_~y~0#1.offset| 0))} is VALID [2022-02-20 23:46:38,901 INFO L290 TraceCheckUtils]: 6: Hoare triple {5848#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5848#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,901 INFO L290 TraceCheckUtils]: 5: Hoare triple {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {5848#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|)) (not (= |ULTIMATE.start_main_~list~0#1.base| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,902 INFO L290 TraceCheckUtils]: 4: Hoare triple {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,903 INFO L290 TraceCheckUtils]: 3: Hoare triple {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,904 INFO L290 TraceCheckUtils]: 2: Hoare triple {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,904 INFO L290 TraceCheckUtils]: 1: Hoare triple {5690#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5855#(forall ((|v_ULTIMATE.start_main_~y~0#1.base_53| Int)) (or (and (not (= |ULTIMATE.start_main_~y~0#1.base| 0)) (not (= |ULTIMATE.start_main_~y~0#1.base| |v_ULTIMATE.start_main_~y~0#1.base_53|))) (not (= (select |#valid| |v_ULTIMATE.start_main_~y~0#1.base_53|) 0))))} is VALID [2022-02-20 23:46:38,904 INFO L290 TraceCheckUtils]: 0: Hoare triple {5690#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(22, 2); {5690#true} is VALID [2022-02-20 23:46:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:38,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373104382] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:38,905 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:38,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 22 [2022-02-20 23:46:38,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948118670] [2022-02-20 23:46:38,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:38,906 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 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 27 [2022-02-20 23:46:38,906 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:38,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,947 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:38,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 23:46:38,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:38,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 23:46:38,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=357, Unknown=2, NotChecked=38, Total=462 [2022-02-20 23:46:38,948 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,363 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|) |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (not (= |c_ULTIMATE.start_main_~y~0#1.base| 0)) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1) (forall ((v_ArrVal_677 (Array Int Int)) (|v_ULTIMATE.start_main_~list~0#1.offset_28| Int) (v_ArrVal_679 Int)) (or (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_28| |c_ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_677) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) v_ArrVal_679) |v_ULTIMATE.start_main_~list~0#1.offset_28|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_28|))))) is different from false [2022-02-20 23:46:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,117 INFO L93 Difference]: Finished difference Result 148 states and 170 transitions. [2022-02-20 23:46:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:46:40,117 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 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 27 [2022-02-20 23:46:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 118 transitions. [2022-02-20 23:46:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 118 transitions. [2022-02-20 23:46:40,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 118 transitions. [2022-02-20 23:46:40,210 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:40,211 INFO L225 Difference]: With dead ends: 148 [2022-02-20 23:46:40,211 INFO L226 Difference]: Without dead ends: 148 [2022-02-20 23:46:40,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=167, Invalid=960, Unknown=3, NotChecked=130, Total=1260 [2022-02-20 23:46:40,212 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 93 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 286 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:40,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 362 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 412 Invalid, 0 Unknown, 286 Unchecked, 0.3s Time] [2022-02-20 23:46:40,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-02-20 23:46:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 112. [2022-02-20 23:46:40,214 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:40,214 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,215 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,215 INFO L87 Difference]: Start difference. First operand 148 states. Second operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,216 INFO L93 Difference]: Finished difference Result 148 states and 170 transitions. [2022-02-20 23:46:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2022-02-20 23:46:40,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:40,217 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:40,217 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 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 148 states. [2022-02-20 23:46:40,217 INFO L87 Difference]: Start difference. First operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 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 148 states. [2022-02-20 23:46:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,219 INFO L93 Difference]: Finished difference Result 148 states and 170 transitions. [2022-02-20 23:46:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2022-02-20 23:46:40,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:40,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:40,219 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:40,219 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 100 states have (on average 1.32) internal successors, (132), 111 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 132 transitions. [2022-02-20 23:46:40,221 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 132 transitions. Word has length 27 [2022-02-20 23:46:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:40,221 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 132 transitions. [2022-02-20 23:46:40,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.590909090909091) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2022-02-20 23:46:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:46:40,221 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:40,222 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] [2022-02-20 23:46:40,241 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 23:46:40,435 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,SelfDestructingSolverStorable16 [2022-02-20 23:46:40,435 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash -328711838, now seen corresponding path program 1 times [2022-02-20 23:46:40,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:40,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127408902] [2022-02-20 23:46:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:40,574 INFO L290 TraceCheckUtils]: 0: Hoare triple {6454#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(22, 2); {6454#true} is VALID [2022-02-20 23:46:40,574 INFO L290 TraceCheckUtils]: 1: Hoare triple {6454#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:40,575 INFO L290 TraceCheckUtils]: 2: Hoare triple {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:40,575 INFO L290 TraceCheckUtils]: 3: Hoare triple {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:40,575 INFO L290 TraceCheckUtils]: 4: Hoare triple {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:40,575 INFO L290 TraceCheckUtils]: 5: Hoare triple {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {6454#true} is VALID [2022-02-20 23:46:40,575 INFO L290 TraceCheckUtils]: 6: Hoare triple {6454#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {6454#true} is VALID [2022-02-20 23:46:40,576 INFO L290 TraceCheckUtils]: 7: Hoare triple {6454#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:40,576 INFO L290 TraceCheckUtils]: 8: Hoare triple {6456#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,577 INFO L290 TraceCheckUtils]: 9: Hoare triple {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,577 INFO L290 TraceCheckUtils]: 10: Hoare triple {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,577 INFO L290 TraceCheckUtils]: 11: Hoare triple {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {6458#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:40,578 INFO L290 TraceCheckUtils]: 12: Hoare triple {6458#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,578 INFO L290 TraceCheckUtils]: 13: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,579 INFO L290 TraceCheckUtils]: 14: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:40,579 INFO L290 TraceCheckUtils]: 15: Hoare triple {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:40,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:46:40,580 INFO L290 TraceCheckUtils]: 17: Hoare triple {6460#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,581 INFO L290 TraceCheckUtils]: 19: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,582 INFO L290 TraceCheckUtils]: 21: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,582 INFO L290 TraceCheckUtils]: 22: Hoare triple {6459#(and (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,582 INFO L290 TraceCheckUtils]: 23: Hoare triple {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume 0 == main_#t~mem11#1.offset; {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume main_#t~mem11#1.base < #StackHeapBarrier; {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,583 INFO L290 TraceCheckUtils]: 25: Hoare triple {6461#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume 0 == main_#t~mem11#1.base || 1 == #valid[main_#t~mem11#1.base];call ULTIMATE.dealloc(main_#t~mem11#1.base, main_#t~mem11#1.offset);havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:40,583 INFO L290 TraceCheckUtils]: 26: Hoare triple {6457#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} assume 0 == main_~y~0#1.offset; {6462#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,584 INFO L290 TraceCheckUtils]: 27: Hoare triple {6462#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} assume main_~y~0#1.base < #StackHeapBarrier; {6462#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,584 INFO L290 TraceCheckUtils]: 28: Hoare triple {6462#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} assume !(0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base]); {6455#false} is VALID [2022-02-20 23:46:40,584 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 23:46:40,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:40,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127408902] [2022-02-20 23:46:40,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127408902] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:40,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:40,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:46:40,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648240194] [2022-02-20 23:46:40,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:40,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-02-20 23:46:40,585 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:40,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,605 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:40,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:46:40,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:46:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:46:40,606 INFO L87 Difference]: Start difference. First operand 112 states and 132 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,019 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2022-02-20 23:46:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 23:46:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-02-20 23:46:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 78 transitions. [2022-02-20 23:46:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 78 transitions. [2022-02-20 23:46:41,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 78 transitions. [2022-02-20 23:46:41,079 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:41,080 INFO L225 Difference]: With dead ends: 136 [2022-02-20 23:46:41,080 INFO L226 Difference]: Without dead ends: 136 [2022-02-20 23:46:41,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-20 23:46:41,080 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 83 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:41,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 105 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:46:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-02-20 23:46:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 112. [2022-02-20 23:46:41,082 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:41,082 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,083 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,083 INFO L87 Difference]: Start difference. First operand 136 states. Second operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,084 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2022-02-20 23:46:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2022-02-20 23:46:41,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:41,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:41,085 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 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 136 states. [2022-02-20 23:46:41,085 INFO L87 Difference]: Start difference. First operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 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 136 states. [2022-02-20 23:46:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,087 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2022-02-20 23:46:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2022-02-20 23:46:41,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:41,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:41,087 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:41,087 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 100 states have (on average 1.31) internal successors, (131), 111 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 131 transitions. [2022-02-20 23:46:41,088 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 131 transitions. Word has length 29 [2022-02-20 23:46:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:41,089 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 131 transitions. [2022-02-20 23:46:41,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2022-02-20 23:46:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 23:46:41,089 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:41,089 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2022-02-20 23:46:41,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:46:41,090 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:46:41,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:41,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1935506277, now seen corresponding path program 1 times [2022-02-20 23:46:41,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:41,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393376709] [2022-02-20 23:46:41,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:41,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:41,393 INFO L290 TraceCheckUtils]: 0: Hoare triple {7000#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(22, 2); {7000#true} is VALID [2022-02-20 23:46:41,394 INFO L290 TraceCheckUtils]: 1: Hoare triple {7000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {7002#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:46:41,394 INFO L290 TraceCheckUtils]: 2: Hoare triple {7002#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:41,395 INFO L290 TraceCheckUtils]: 3: Hoare triple {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:41,395 INFO L290 TraceCheckUtils]: 4: Hoare triple {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:46:41,395 INFO L290 TraceCheckUtils]: 5: Hoare triple {7003#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:41,396 INFO L290 TraceCheckUtils]: 6: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:41,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7005#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,397 INFO L290 TraceCheckUtils]: 8: Hoare triple {7005#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {7006#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,398 INFO L290 TraceCheckUtils]: 9: Hoare triple {7006#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,398 INFO L290 TraceCheckUtils]: 10: Hoare triple {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,399 INFO L290 TraceCheckUtils]: 11: Hoare triple {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {7008#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,399 INFO L290 TraceCheckUtils]: 12: Hoare triple {7008#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,400 INFO L290 TraceCheckUtils]: 13: Hoare triple {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,400 INFO L290 TraceCheckUtils]: 14: Hoare triple {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,401 INFO L290 TraceCheckUtils]: 15: Hoare triple {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,401 INFO L290 TraceCheckUtils]: 16: Hoare triple {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,402 INFO L290 TraceCheckUtils]: 17: Hoare triple {7010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7011#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:41,402 INFO L290 TraceCheckUtils]: 18: Hoare triple {7011#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7012#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} is VALID [2022-02-20 23:46:41,403 INFO L290 TraceCheckUtils]: 19: Hoare triple {7012#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,403 INFO L290 TraceCheckUtils]: 20: Hoare triple {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,404 INFO L290 TraceCheckUtils]: 21: Hoare triple {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,404 INFO L290 TraceCheckUtils]: 22: Hoare triple {7013#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:41,405 INFO L290 TraceCheckUtils]: 23: Hoare triple {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume 0 == main_#t~mem11#1.offset; {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:41,405 INFO L290 TraceCheckUtils]: 24: Hoare triple {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume main_#t~mem11#1.base < #StackHeapBarrier; {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:41,405 INFO L290 TraceCheckUtils]: 25: Hoare triple {7014#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume 0 == main_#t~mem11#1.base || 1 == #valid[main_#t~mem11#1.base];call ULTIMATE.dealloc(main_#t~mem11#1.base, main_#t~mem11#1.offset);havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {7015#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,406 INFO L290 TraceCheckUtils]: 26: Hoare triple {7015#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.offset; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,406 INFO L290 TraceCheckUtils]: 27: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:41,407 INFO L290 TraceCheckUtils]: 28: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:41,407 INFO L290 TraceCheckUtils]: 29: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:41,407 INFO L290 TraceCheckUtils]: 30: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {7001#false} is VALID [2022-02-20 23:46:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:41,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:41,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393376709] [2022-02-20 23:46:41,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393376709] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:41,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840667614] [2022-02-20 23:46:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:41,409 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 23:46:41,410 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 23:46:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:41,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 23:46:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:41,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:41,516 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 23:46:41,551 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:41,552 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 23:46:41,563 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 23:46:41,581 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:41,581 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 28 treesize of output 29 [2022-02-20 23:46:41,634 INFO L356 Elim1Store]: treesize reduction 30, result has 37.5 percent of original size [2022-02-20 23:46:41,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2022-02-20 23:46:41,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:41,679 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 39 treesize of output 30 [2022-02-20 23:46:42,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:42,138 INFO L356 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2022-02-20 23:46:42,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 41 [2022-02-20 23:46:42,272 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:46:42,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 18 [2022-02-20 23:46:42,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-02-20 23:46:42,373 INFO L290 TraceCheckUtils]: 0: Hoare triple {7000#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(22, 2); {7000#true} is VALID [2022-02-20 23:46:42,374 INFO L290 TraceCheckUtils]: 1: Hoare triple {7000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,374 INFO L290 TraceCheckUtils]: 2: Hoare triple {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,374 INFO L290 TraceCheckUtils]: 3: Hoare triple {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,375 INFO L290 TraceCheckUtils]: 4: Hoare triple {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,375 INFO L290 TraceCheckUtils]: 5: Hoare triple {7023#(= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1)} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,375 INFO L290 TraceCheckUtils]: 6: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,376 INFO L290 TraceCheckUtils]: 7: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7005#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,376 INFO L290 TraceCheckUtils]: 8: Hoare triple {7005#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {7006#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,377 INFO L290 TraceCheckUtils]: 9: Hoare triple {7006#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:42,378 INFO L290 TraceCheckUtils]: 10: Hoare triple {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:42,378 INFO L290 TraceCheckUtils]: 11: Hoare triple {7007#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {7008#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:42,379 INFO L290 TraceCheckUtils]: 12: Hoare triple {7008#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc8#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:42,379 INFO L290 TraceCheckUtils]: 13: Hoare triple {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:42,380 INFO L290 TraceCheckUtils]: 14: Hoare triple {7009#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:42,380 INFO L290 TraceCheckUtils]: 15: Hoare triple {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:42,381 INFO L290 TraceCheckUtils]: 16: Hoare triple {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:42,381 INFO L290 TraceCheckUtils]: 17: Hoare triple {7063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7073#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:46:42,382 INFO L290 TraceCheckUtils]: 18: Hoare triple {7073#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 1) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7077#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:46:42,383 INFO L290 TraceCheckUtils]: 19: Hoare triple {7077#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:46:42,386 INFO L290 TraceCheckUtils]: 20: Hoare triple {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:46:42,386 INFO L290 TraceCheckUtils]: 21: Hoare triple {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:46:42,387 INFO L290 TraceCheckUtils]: 22: Hoare triple {7081#(and (exists ((|ULTIMATE.start_main_~list~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,388 INFO L290 TraceCheckUtils]: 23: Hoare triple {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_#t~mem11#1.offset; {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,388 INFO L290 TraceCheckUtils]: 24: Hoare triple {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_#t~mem11#1.base < #StackHeapBarrier; {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,389 INFO L290 TraceCheckUtils]: 25: Hoare triple {7091#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (or (not (= (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) 0)) (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (not (= |ULTIMATE.start_main_#t~mem11#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_#t~mem11#1.base || 1 == #valid[main_#t~mem11#1.base];call ULTIMATE.dealloc(main_#t~mem11#1.base, main_#t~mem11#1.offset);havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {7101#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (or (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))))} is VALID [2022-02-20 23:46:42,389 INFO L290 TraceCheckUtils]: 26: Hoare triple {7101#(and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (or (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0))))} assume 0 == main_~y~0#1.offset; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:42,390 INFO L290 TraceCheckUtils]: 28: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,390 INFO L290 TraceCheckUtils]: 29: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,391 INFO L290 TraceCheckUtils]: 30: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {7001#false} is VALID [2022-02-20 23:46:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:42,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:56,638 INFO L356 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2022-02-20 23:46:56,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 206 treesize of output 231 [2022-02-20 23:46:57,881 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |c_ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_814 (Array Int Int))) (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |c_ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_814 (Array Int Int))) (let ((.cse1 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|))) (let ((.cse0 (select .cse1 |v_ULTIMATE.start_main_~list~0#1.offset_32|))) (or (and (not (= .cse0 |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= (select .cse1 8) .cse0))) (= .cse0 |v_ULTIMATE.start_main_#t~malloc8#1.base_11|)))))))) is different from false [2022-02-20 23:46:57,987 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:57,987 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 1 case distinctions, treesize of input 117 treesize of output 86 [2022-02-20 23:46:58,012 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 157 treesize of output 145 [2022-02-20 23:46:58,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:58,053 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:58,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 150 [2022-02-20 23:46:58,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:58,128 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:58,128 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 121 treesize of output 120 [2022-02-20 23:46:58,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:58,160 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 106 treesize of output 104 [2022-02-20 23:46:58,479 INFO L290 TraceCheckUtils]: 30: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {7001#false} is VALID [2022-02-20 23:46:58,479 INFO L290 TraceCheckUtils]: 29: Hoare triple {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:58,480 INFO L290 TraceCheckUtils]: 28: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {7004#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:46:58,480 INFO L290 TraceCheckUtils]: 27: Hoare triple {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} assume main_~y~0#1.base < #StackHeapBarrier; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:58,480 INFO L290 TraceCheckUtils]: 26: Hoare triple {7129#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} assume 0 == main_~y~0#1.offset; {7016#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:58,481 INFO L290 TraceCheckUtils]: 25: Hoare triple {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} assume 0 == main_#t~mem11#1.base || 1 == #valid[main_#t~mem11#1.base];call ULTIMATE.dealloc(main_#t~mem11#1.base, main_#t~mem11#1.offset);havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {7129#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} is VALID [2022-02-20 23:46:58,481 INFO L290 TraceCheckUtils]: 24: Hoare triple {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} assume main_#t~mem11#1.base < #StackHeapBarrier; {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} is VALID [2022-02-20 23:46:58,481 INFO L290 TraceCheckUtils]: 23: Hoare triple {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} assume 0 == main_#t~mem11#1.offset; {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} is VALID [2022-02-20 23:46:58,482 INFO L290 TraceCheckUtils]: 22: Hoare triple {7143#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {7133#(or (and (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| |ULTIMATE.start_main_#t~mem11#1.base| v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1))) (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)))} is VALID [2022-02-20 23:46:58,483 INFO L290 TraceCheckUtils]: 21: Hoare triple {7143#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7143#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} is VALID [2022-02-20 23:46:58,483 INFO L290 TraceCheckUtils]: 20: Hoare triple {7150#(and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7143#(or (not (= |ULTIMATE.start_main_~y~0#1.offset| 0)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|))))} is VALID [2022-02-20 23:46:58,484 INFO L290 TraceCheckUtils]: 19: Hoare triple {7154#(and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) |ULTIMATE.start_main_#t~mem9#1.base|) 1)) (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7150#(and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) |ULTIMATE.start_main_~list~0#1.base|) 1)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:58,484 INFO L290 TraceCheckUtils]: 18: Hoare triple {7158#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7154#(and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) |ULTIMATE.start_main_#t~mem9#1.base|) 1)) (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:46:58,485 INFO L290 TraceCheckUtils]: 17: Hoare triple {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7158#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))) (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:46:58,486 INFO L290 TraceCheckUtils]: 16: Hoare triple {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} is VALID [2022-02-20 23:46:58,486 INFO L290 TraceCheckUtils]: 15: Hoare triple {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} is VALID [2022-02-20 23:46:58,487 INFO L290 TraceCheckUtils]: 14: Hoare triple {7172#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)))))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7162#(or (not (<= 0 |ULTIMATE.start_main_~list~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|))))} is VALID [2022-02-20 23:46:58,487 INFO L290 TraceCheckUtils]: 13: Hoare triple {7172#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)))))} havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset; {7172#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)))))} is VALID [2022-02-20 23:46:58,488 INFO L290 TraceCheckUtils]: 12: Hoare triple {7179#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)))))} SUMMARY for call write~$Pointer$(main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L551 {7172#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) 8) v_ArrVal_818) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)))))} is VALID [2022-02-20 23:46:58,490 INFO L290 TraceCheckUtils]: 11: Hoare triple {7183#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (and (forall ((v_ArrVal_818 Int) (v_ArrVal_815 Int)) (= (select (store (store |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11| v_ArrVal_815) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 0))))} assume 0 != main_#t~nondet6#1;havoc main_#t~nondet6#1;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(1); {7179#(forall ((|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (and (not (= (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)) (forall ((v_ArrVal_818 Int)) (= (select (store |#valid| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_#t~malloc8#1.base|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)))))} is VALID [2022-02-20 23:46:58,498 INFO L290 TraceCheckUtils]: 10: Hoare triple {7183#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (and (forall ((v_ArrVal_818 Int) (v_ArrVal_815 Int)) (= (select (store (store |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11| v_ArrVal_815) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7183#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (and (forall ((v_ArrVal_818 Int) (v_ArrVal_815 Int)) (= (select (store (store |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11| v_ArrVal_815) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 0))))} is VALID [2022-02-20 23:46:58,501 WARN L290 TraceCheckUtils]: 9: Hoare triple {7190#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) (and (forall ((v_ArrVal_814 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_814 (Array Int Int))) (or (and (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|))))))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {7183#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (and (forall ((v_ArrVal_818 Int) (v_ArrVal_815 Int)) (= (select (store (store |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11| v_ArrVal_815) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) v_ArrVal_818) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)) 1)) (not (= |ULTIMATE.start_main_~y~0#1.base| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:46:58,502 INFO L290 TraceCheckUtils]: 8: Hoare triple {7194#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~y~0#1.offset| 0) (< |ULTIMATE.start_main_~y~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {7190#(forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |ULTIMATE.start_main_~y~0#1.offset|)) (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) (and (forall ((v_ArrVal_814 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_814 (Array Int Int))) (or (and (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |ULTIMATE.start_main_~y~0#1.base|)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) 8) (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|)))) (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|))))))} is VALID [2022-02-20 23:46:58,502 INFO L290 TraceCheckUtils]: 7: Hoare triple {7198#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7194#(and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (< |ULTIMATE.start_main_~y~0#1.offset| 0)) (or (= |ULTIMATE.start_main_~y~0#1.offset| 0) (< |ULTIMATE.start_main_~y~0#1.offset| 0)))} is VALID [2022-02-20 23:46:58,502 INFO L290 TraceCheckUtils]: 6: Hoare triple {7198#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7198#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,503 INFO L290 TraceCheckUtils]: 5: Hoare triple {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7198#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,503 INFO L290 TraceCheckUtils]: 4: Hoare triple {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,503 INFO L290 TraceCheckUtils]: 3: Hoare triple {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,504 INFO L290 TraceCheckUtils]: 2: Hoare triple {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,504 INFO L290 TraceCheckUtils]: 1: Hoare triple {7000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {7205#(not (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 0))} is VALID [2022-02-20 23:46:58,504 INFO L290 TraceCheckUtils]: 0: Hoare triple {7000#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(22, 2); {7000#true} is VALID [2022-02-20 23:46:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:58,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840667614] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:58,508 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:58,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 17] total 37 [2022-02-20 23:46:58,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698607569] [2022-02-20 23:46:58,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:58,508 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 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 31 [2022-02-20 23:46:58,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:58,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:58,573 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:58,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-20 23:46:58,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-20 23:46:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1168, Unknown=7, NotChecked=70, Total=1406 [2022-02-20 23:46:58,574 INFO L87 Difference]: Start difference. First operand 112 states and 131 transitions. Second operand has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,223 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset|))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 1) (= |c_ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |c_#valid| .cse0) 1) (= .cse0 |c_ULTIMATE.start_main_~list~0#1.base|) (not (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~y~0#1.base|)) (forall ((|v_ULTIMATE.start_main_#t~malloc8#1.base_11| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_32| Int)) (or (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) (not (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_32|)) (not (<= |v_ULTIMATE.start_main_~list~0#1.offset_32| |c_ULTIMATE.start_main_~y~0#1.offset|)) (and (forall ((v_ArrVal_814 (Array Int Int))) (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|) |v_ULTIMATE.start_main_~list~0#1.offset_32|) |c_ULTIMATE.start_main_~list~0#1.base|)) (forall ((v_ArrVal_814 (Array Int Int))) (let ((.cse2 (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~y~0#1.base|) (+ |c_ULTIMATE.start_main_~y~0#1.offset| 8) |v_ULTIMATE.start_main_#t~malloc8#1.base_11|))) (let ((.cse1 (select .cse2 |v_ULTIMATE.start_main_~list~0#1.offset_32|))) (or (and (not (= .cse1 |c_ULTIMATE.start_main_~y~0#1.base|)) (not (= (select .cse2 8) .cse1))) (= .cse1 |v_ULTIMATE.start_main_#t~malloc8#1.base_11|)))))))) (not (= .cse0 |c_ULTIMATE.start_main_~y~0#1.base|)) (= (select |c_#valid| |c_ULTIMATE.start_main_~y~0#1.base|) 1))) is different from false [2022-02-20 23:46:59,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:59,848 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2022-02-20 23:46:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:46:59,848 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 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 31 [2022-02-20 23:46:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 67 transitions. [2022-02-20 23:46:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 67 transitions. [2022-02-20 23:46:59,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 67 transitions. [2022-02-20 23:46:59,896 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:59,897 INFO L225 Difference]: With dead ends: 115 [2022-02-20 23:46:59,897 INFO L226 Difference]: Without dead ends: 115 [2022-02-20 23:46:59,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=314, Invalid=1848, Unknown=8, NotChecked=182, Total=2352 [2022-02-20 23:46:59,898 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 93 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 274 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:59,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 223 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 295 Invalid, 0 Unknown, 274 Unchecked, 0.2s Time] [2022-02-20 23:46:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-20 23:46:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2022-02-20 23:46:59,900 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:59,900 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,901 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,901 INFO L87 Difference]: Start difference. First operand 115 states. Second operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:59,902 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2022-02-20 23:46:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2022-02-20 23:46:59,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:59,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:59,911 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 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 115 states. [2022-02-20 23:46:59,911 INFO L87 Difference]: Start difference. First operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 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 115 states. [2022-02-20 23:46:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:59,912 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2022-02-20 23:46:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2022-02-20 23:46:59,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:59,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:59,913 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:59,913 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 100 states have (on average 1.3) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2022-02-20 23:46:59,916 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 31 [2022-02-20 23:46:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:59,916 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2022-02-20 23:46:59,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.027027027027027) internal successors, (75), 38 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2022-02-20 23:46:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 23:46:59,917 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:59,917 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:59,937 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 23:47:00,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:47:00,127 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 23 more)] === [2022-02-20 23:47:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash 678559033, now seen corresponding path program 1 times [2022-02-20 23:47:00,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:00,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331405515] [2022-02-20 23:47:00,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:00,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:00,419 INFO L290 TraceCheckUtils]: 0: Hoare triple {7700#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(22, 2); {7700#true} is VALID [2022-02-20 23:47:00,420 INFO L290 TraceCheckUtils]: 1: Hoare triple {7700#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {7702#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} is VALID [2022-02-20 23:47:00,420 INFO L290 TraceCheckUtils]: 2: Hoare triple {7702#(= |ULTIMATE.start_main_~y~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:00,421 INFO L290 TraceCheckUtils]: 3: Hoare triple {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:00,421 INFO L290 TraceCheckUtils]: 4: Hoare triple {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {7704#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:00,422 INFO L290 TraceCheckUtils]: 5: Hoare triple {7704#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,423 INFO L290 TraceCheckUtils]: 6: Hoare triple {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,423 INFO L290 TraceCheckUtils]: 7: Hoare triple {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7706#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,424 INFO L290 TraceCheckUtils]: 8: Hoare triple {7706#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {7707#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) 8)) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,425 INFO L290 TraceCheckUtils]: 9: Hoare triple {7707#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) 8)) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:47:00,426 INFO L290 TraceCheckUtils]: 10: Hoare triple {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:47:00,426 INFO L290 TraceCheckUtils]: 11: Hoare triple {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} is VALID [2022-02-20 23:47:00,427 INFO L290 TraceCheckUtils]: 12: Hoare triple {7708#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {7709#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,428 INFO L290 TraceCheckUtils]: 13: Hoare triple {7709#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,428 INFO L290 TraceCheckUtils]: 14: Hoare triple {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,429 INFO L290 TraceCheckUtils]: 15: Hoare triple {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,429 INFO L290 TraceCheckUtils]: 16: Hoare triple {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:47:00,430 INFO L290 TraceCheckUtils]: 17: Hoare triple {7710#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7711#(and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base|) 8)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base|) 8) 12))} is VALID [2022-02-20 23:47:00,430 INFO L290 TraceCheckUtils]: 18: Hoare triple {7711#(and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base|) 8)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base|) 8) 12))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,431 INFO L290 TraceCheckUtils]: 19: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,431 INFO L290 TraceCheckUtils]: 20: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,436 INFO L290 TraceCheckUtils]: 21: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.offset; {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,436 INFO L290 TraceCheckUtils]: 22: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume main_~y~0#1.base < #StackHeapBarrier; {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,437 INFO L290 TraceCheckUtils]: 23: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:00,437 INFO L290 TraceCheckUtils]: 24: Hoare triple {7712#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:00,438 INFO L290 TraceCheckUtils]: 25: Hoare triple {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:00,438 INFO L290 TraceCheckUtils]: 26: Hoare triple {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:00,439 INFO L290 TraceCheckUtils]: 27: Hoare triple {7713#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7714#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= |ULTIMATE.start_main_#t~mem10#1.offset| (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:00,439 INFO L290 TraceCheckUtils]: 28: Hoare triple {7714#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= |ULTIMATE.start_main_#t~mem10#1.offset| (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7701#false} is VALID [2022-02-20 23:47:00,439 INFO L290 TraceCheckUtils]: 29: Hoare triple {7701#false} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {7701#false} is VALID [2022-02-20 23:47:00,439 INFO L290 TraceCheckUtils]: 30: Hoare triple {7701#false} assume !(0 == main_#t~mem11#1.offset); {7701#false} is VALID [2022-02-20 23:47:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:00,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:00,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331405515] [2022-02-20 23:47:00,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331405515] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:47:00,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945425433] [2022-02-20 23:47:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:47:00,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:47:00,442 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 23:47:00,442 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 23:47:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:00,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-20 23:47:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:00,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:47:00,577 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 23:47:00,598 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 15 treesize of output 11 [2022-02-20 23:47:00,601 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 23:47:00,644 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:47:00,644 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 23:47:00,689 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 19 treesize of output 18 [2022-02-20 23:47:00,699 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 19 treesize of output 18 [2022-02-20 23:47:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:00,779 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:00,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 62 [2022-02-20 23:47:00,791 INFO L356 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-02-20 23:47:00,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 41 [2022-02-20 23:47:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:00,965 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 23:47:00,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 53 [2022-02-20 23:47:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:00,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:00,981 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 23:47:00,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 54 [2022-02-20 23:47:03,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:47:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:03,176 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:47:03,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 40 [2022-02-20 23:47:03,460 INFO L290 TraceCheckUtils]: 0: Hoare triple {7700#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(22, 2); {7700#true} is VALID [2022-02-20 23:47:03,461 INFO L290 TraceCheckUtils]: 1: Hoare triple {7700#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet4#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;main_~list~0#1.base, main_~list~0#1.offset := 0, 0;main_~y~0#1.base, main_~y~0#1.offset := 0, 0;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:03,461 INFO L290 TraceCheckUtils]: 2: Hoare triple {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L540 {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:03,462 INFO L290 TraceCheckUtils]: 3: Hoare triple {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~y~0#1.base, 4 + main_~y~0#1.offset, 4); srcloc: L540-1 {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:03,462 INFO L290 TraceCheckUtils]: 4: Hoare triple {7703#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L541 {7704#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} is VALID [2022-02-20 23:47:03,463 INFO L290 TraceCheckUtils]: 5: Hoare triple {7704#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~y~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|)) (+ 12 |ULTIMATE.start_main_~y~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~y~0#1.base|) 1))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:03,463 INFO L290 TraceCheckUtils]: 6: Hoare triple {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:03,464 INFO L290 TraceCheckUtils]: 7: Hoare triple {7705#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(13);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7739#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:03,465 INFO L290 TraceCheckUtils]: 8: Hoare triple {7739#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, 4); srcloc: L547 {7743#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:47:03,466 INFO L290 TraceCheckUtils]: 9: Hoare triple {7743#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 8) 12) (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 8)) (not (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, main_~y~0#1.offset, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L547-1 {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} is VALID [2022-02-20 23:47:03,466 INFO L290 TraceCheckUtils]: 10: Hoare triple {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} is VALID [2022-02-20 23:47:03,467 INFO L290 TraceCheckUtils]: 11: Hoare triple {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} is VALID [2022-02-20 23:47:03,468 INFO L290 TraceCheckUtils]: 12: Hoare triple {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} SUMMARY for call write~$Pointer$(main_~y~0#1.base, 12 + main_~y~0#1.offset, main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L555 {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} is VALID [2022-02-20 23:47:03,468 INFO L290 TraceCheckUtils]: 13: Hoare triple {7747#(and (= |ULTIMATE.start_main_~y~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) 8) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 4)) |ULTIMATE.start_main_~y~0#1.offset|))} main_~list~0#1.base, main_~list~0#1.offset := main_~y~0#1.base, main_~y~0#1.offset; {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:47:03,469 INFO L290 TraceCheckUtils]: 14: Hoare triple {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:47:03,469 INFO L290 TraceCheckUtils]: 15: Hoare triple {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:47:03,470 INFO L290 TraceCheckUtils]: 16: Hoare triple {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:47:03,471 INFO L290 TraceCheckUtils]: 17: Hoare triple {7760#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7773#(exists ((|ULTIMATE.start_main_~list~0#1.offset| Int) (|ULTIMATE.start_main_~list~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_#t~mem9#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|))))} is VALID [2022-02-20 23:47:03,472 INFO L290 TraceCheckUtils]: 18: Hoare triple {7773#(exists ((|ULTIMATE.start_main_~list~0#1.offset| Int) (|ULTIMATE.start_main_~list~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem9#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= 12 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 0) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_#t~mem9#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) 0) 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) 0) |ULTIMATE.start_main_~list~0#1.base|))))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,474 INFO L290 TraceCheckUtils]: 19: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,475 INFO L290 TraceCheckUtils]: 20: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} assume !(main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset);havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,476 INFO L290 TraceCheckUtils]: 21: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} assume 0 == main_~y~0#1.offset; {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,477 INFO L290 TraceCheckUtils]: 22: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} assume main_~y~0#1.base < #StackHeapBarrier; {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,478 INFO L290 TraceCheckUtils]: 23: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} assume 0 == main_~y~0#1.base || 1 == #valid[main_~y~0#1.base];call ULTIMATE.dealloc(main_~y~0#1.base, main_~y~0#1.offset); {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} is VALID [2022-02-20 23:47:03,479 INFO L290 TraceCheckUtils]: 24: Hoare triple {7777#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~list~0#1.base|) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|))))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset);main_~y~0#1.base, main_~y~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7796#(and (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~y~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|)))))} is VALID [2022-02-20 23:47:03,480 INFO L290 TraceCheckUtils]: 25: Hoare triple {7796#(and (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~y~0#1.offset|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= |ULTIMATE.start_main_~list~0#1.offset| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|)))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L562 {7800#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:03,481 INFO L290 TraceCheckUtils]: 26: Hoare triple {7800#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|)))} main_~list~0#1.base, main_~list~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {7800#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|)))} is VALID [2022-02-20 23:47:03,482 INFO L290 TraceCheckUtils]: 27: Hoare triple {7800#(exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.base|) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0)) 8) 12) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|)))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L563 {7807#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) 8) 12) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|))))} is VALID [2022-02-20 23:47:03,483 INFO L290 TraceCheckUtils]: 28: Hoare triple {7807#(and (= |ULTIMATE.start_main_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ 8 |ULTIMATE.start_main_~y~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem10#1.base| |ULTIMATE.start_main_~y~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) 8) 12) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_37| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_35| Int)) (and (<= 0 |v_ULTIMATE.start_main_~list~0#1.offset_35|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 0) (<= |v_ULTIMATE.start_main_~list~0#1.offset_35| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~y~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) 0) 4)) 0) (not (= |v_ULTIMATE.start_main_~list~0#1.base_37| |ULTIMATE.start_main_~y~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_37|) |v_ULTIMATE.start_main_~list~0#1.offset_35|) |ULTIMATE.start_main_~y~0#1.offset|))))} assume main_~y~0#1.base != main_#t~mem10#1.base || 12 + main_~y~0#1.offset != main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {7701#false} is VALID [2022-02-20 23:47:03,483 INFO L290 TraceCheckUtils]: 29: Hoare triple {7701#false} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~y~0#1.base, 8 + main_~y~0#1.offset, 4); srcloc: L565 {7701#false} is VALID [2022-02-20 23:47:03,483 INFO L290 TraceCheckUtils]: 30: Hoare triple {7701#false} assume !(0 == main_#t~mem11#1.offset); {7701#false} is VALID [2022-02-20 23:47:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:03,484 INFO L328 TraceCheckSpWp]: Computing backward predicates...