./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-token-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-token-2.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 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:55:43,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:55:43,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:55:43,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:55:43,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:55:43,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:55:43,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:55:43,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:55:43,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:55:43,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:55:43,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:55:43,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:55:43,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:55:43,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:55:43,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:55:43,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:55:43,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:55:43,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:55:43,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:55:43,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:55:43,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:55:43,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:55:43,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:55:43,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:55:43,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:55:43,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:55:43,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:55:43,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:55:43,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:55:43,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:55:43,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:55:43,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:55:43,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:55:43,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:55:43,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:55:43,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:55:43,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:55:43,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:55:43,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:55:43,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:55:43,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:55:43,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:55:43,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:55:43,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:55:43,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:55:43,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:55:43,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:55:43,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:55:43,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:55:43,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:55:43,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:55:43,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:55:43,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:55:43,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:55:43,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:55:43,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:55:43,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:55:43,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:55:43,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:55:43,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:55:43,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:55:43,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:55:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:43,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:55:43,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:55:43,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:55:43,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:55:43,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b [2022-02-20 23:55:43,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:55:43,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:55:43,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:55:43,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:55:43,565 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:55:43,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-token-2.i [2022-02-20 23:55:43,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df2e4a7/85c811a5a8bb41b8907ccd05cfe37025/FLAGbed75eadb [2022-02-20 23:55:44,190 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:55:44,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i [2022-02-20 23:55:44,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df2e4a7/85c811a5a8bb41b8907ccd05cfe37025/FLAGbed75eadb [2022-02-20 23:55:44,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0df2e4a7/85c811a5a8bb41b8907ccd05cfe37025 [2022-02-20 23:55:44,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:55:44,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:55:44,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:44,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:55:44,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:55:44,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:44" (1/1) ... [2022-02-20 23:55:44,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b64862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:44, skipping insertion in model container [2022-02-20 23:55:44,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:44" (1/1) ... [2022-02-20 23:55:44,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:55:44,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:55:44,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22162,22175] [2022-02-20 23:55:44,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22311,22324] [2022-02-20 23:55:44,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22402,22415] [2022-02-20 23:55:44,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22484,22497] [2022-02-20 23:55:44,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22562,22575] [2022-02-20 23:55:44,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22708,22721] [2022-02-20 23:55:44,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:44,943 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:55:45,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22162,22175] [2022-02-20 23:55:45,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22311,22324] [2022-02-20 23:55:45,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22402,22415] [2022-02-20 23:55:45,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22484,22497] [2022-02-20 23:55:45,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22562,22575] [2022-02-20 23:55:45,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-2.i[22708,22721] [2022-02-20 23:55:45,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:45,059 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:55:45,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45 WrapperNode [2022-02-20 23:55:45,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:45,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:45,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:55:45,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:55:45,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,140 INFO L137 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2022-02-20 23:55:45,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:45,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:55:45,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:55:45,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:55:45,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:55:45,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:55:45,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:55:45,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:55:45,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (1/1) ... [2022-02-20 23:55:45,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:45,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:55:45,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:55:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:55:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:55:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:55:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:55:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:55:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:55:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:55:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:55:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:55:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:55:45,379 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:55:45,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:55:45,869 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:55:45,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:55:45,876 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-02-20 23:55:45,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:45 BoogieIcfgContainer [2022-02-20 23:55:45,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:55:45,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:55:45,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:55:45,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:55:45,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:55:44" (1/3) ... [2022-02-20 23:55:45,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75542db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:45, skipping insertion in model container [2022-02-20 23:55:45,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:45" (2/3) ... [2022-02-20 23:55:45,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75542db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:45, skipping insertion in model container [2022-02-20 23:55:45,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:45" (3/3) ... [2022-02-20 23:55:45,894 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-token-2.i [2022-02-20 23:55:45,902 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:55:45,903 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-02-20 23:55:45,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:55:45,954 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 23:55:45,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-02-20 23:55:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 64 states have (on average 2.21875) internal successors, (142), 118 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:45,980 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:45,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:45,981 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:45,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:45,987 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:55:45,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:45,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144814554] [2022-02-20 23:55:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:46,153 INFO L290 TraceCheckUtils]: 0: Hoare triple {122#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(14, 2); {122#true} is VALID [2022-02-20 23:55:46,156 INFO L290 TraceCheckUtils]: 1: Hoare triple {122#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {124#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:46,158 INFO L290 TraceCheckUtils]: 2: Hoare triple {124#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {123#false} is VALID [2022-02-20 23:55:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:46,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:46,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144814554] [2022-02-20 23:55:46,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144814554] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:46,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:46,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:46,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688690324] [2022-02-20 23:55:46,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:46,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:46,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:46,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:46,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:46,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:46,210 INFO L87 Difference]: Start difference. First operand has 119 states, 64 states have (on average 2.21875) internal successors, (142), 118 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:46,538 INFO L93 Difference]: Finished difference Result 137 states and 140 transitions. [2022-02-20 23:55:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:46,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:46,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 167 transitions. [2022-02-20 23:55:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 167 transitions. [2022-02-20 23:55:46,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 167 transitions. [2022-02-20 23:55:46,709 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:46,727 INFO L225 Difference]: With dead ends: 137 [2022-02-20 23:55:46,728 INFO L226 Difference]: Without dead ends: 135 [2022-02-20 23:55:46,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:46,732 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 94 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:46,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 97 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:46,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-02-20 23:55:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 115. [2022-02-20 23:55:46,787 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:46,790 INFO L82 GeneralOperation]: Start isEquivalent. First operand 135 states. Second operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,791 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,792 INFO L87 Difference]: Start difference. First operand 135 states. Second operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:46,806 INFO L93 Difference]: Finished difference Result 135 states and 138 transitions. [2022-02-20 23:55:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 138 transitions. [2022-02-20 23:55:46,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:46,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:46,808 INFO L74 IsIncluded]: Start isIncluded. First operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 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 135 states. [2022-02-20 23:55:46,809 INFO L87 Difference]: Start difference. First operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 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 135 states. [2022-02-20 23:55:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:46,815 INFO L93 Difference]: Finished difference Result 135 states and 138 transitions. [2022-02-20 23:55:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 138 transitions. [2022-02-20 23:55:46,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:46,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:46,817 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:46,817 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 114 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2022-02-20 23:55:46,824 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 3 [2022-02-20 23:55:46,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:46,824 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2022-02-20 23:55:46,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2022-02-20 23:55:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:46,825 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:46,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:46,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:55:46,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:46,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:55:46,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:46,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820866105] [2022-02-20 23:55:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:46,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:46,873 INFO L290 TraceCheckUtils]: 0: Hoare triple {649#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(14, 2); {649#true} is VALID [2022-02-20 23:55:46,874 INFO L290 TraceCheckUtils]: 1: Hoare triple {649#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {651#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,875 INFO L290 TraceCheckUtils]: 2: Hoare triple {651#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {650#false} is VALID [2022-02-20 23:55:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:46,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:46,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820866105] [2022-02-20 23:55:46,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820866105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:46,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:46,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:46,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129302608] [2022-02-20 23:55:46,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:46,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:46,879 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:46,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:46,885 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:46,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:46,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:46,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:46,886 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,128 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2022-02-20 23:55:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:47,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:47,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2022-02-20 23:55:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2022-02-20 23:55:47,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 145 transitions. [2022-02-20 23:55:47,264 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,268 INFO L225 Difference]: With dead ends: 141 [2022-02-20 23:55:47,268 INFO L226 Difference]: Without dead ends: 141 [2022-02-20 23:55:47,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:47,270 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 100 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:47,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 99 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-02-20 23:55:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 113. [2022-02-20 23:55:47,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:47,277 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,277 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,278 INFO L87 Difference]: Start difference. First operand 141 states. Second operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,282 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2022-02-20 23:55:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2022-02-20 23:55:47,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,283 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,284 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 141 states. [2022-02-20 23:55:47,284 INFO L87 Difference]: Start difference. First operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 141 states. [2022-02-20 23:55:47,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,291 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2022-02-20 23:55:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2022-02-20 23:55:47,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:47,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2022-02-20 23:55:47,296 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 3 [2022-02-20 23:55:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:47,296 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2022-02-20 23:55:47,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2022-02-20 23:55:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:47,297 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:47,297 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:47,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:55:47,297 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:47,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash 59263631, now seen corresponding path program 1 times [2022-02-20 23:55:47,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:47,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977735714] [2022-02-20 23:55:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:47,403 INFO L290 TraceCheckUtils]: 0: Hoare triple {1190#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(14, 2); {1190#true} is VALID [2022-02-20 23:55:47,403 INFO L290 TraceCheckUtils]: 1: Hoare triple {1190#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1190#true} is VALID [2022-02-20 23:55:47,404 INFO L290 TraceCheckUtils]: 2: Hoare triple {1190#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {1192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:47,405 INFO L290 TraceCheckUtils]: 3: Hoare triple {1192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {1192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:47,405 INFO L290 TraceCheckUtils]: 4: Hoare triple {1192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:47,406 INFO L290 TraceCheckUtils]: 5: Hoare triple {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:47,406 INFO L290 TraceCheckUtils]: 6: Hoare triple {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:47,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {1193#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {1191#false} is VALID [2022-02-20 23:55:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:47,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:47,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977735714] [2022-02-20 23:55:47,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977735714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:47,409 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:47,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:47,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471025410] [2022-02-20 23:55:47,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-02-20 23:55:47,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:47,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,421 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:47,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:47,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:47,423 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,679 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2022-02-20 23:55:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:47,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-02-20 23:55:47,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2022-02-20 23:55:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2022-02-20 23:55:47,686 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2022-02-20 23:55:47,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,811 INFO L225 Difference]: With dead ends: 119 [2022-02-20 23:55:47,812 INFO L226 Difference]: Without dead ends: 119 [2022-02-20 23:55:47,812 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 23:55:47,813 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 165 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:47,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 68 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:47,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-20 23:55:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 102. [2022-02-20 23:55:47,818 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:47,819 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,819 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,820 INFO L87 Difference]: Start difference. First operand 119 states. Second operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,823 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2022-02-20 23:55:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2022-02-20 23:55:47,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,824 INFO L74 IsIncluded]: Start isIncluded. First operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 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 119 states. [2022-02-20 23:55:47,825 INFO L87 Difference]: Start difference. First operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 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 119 states. [2022-02-20 23:55:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,828 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2022-02-20 23:55:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 122 transitions. [2022-02-20 23:55:47,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,829 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:47,829 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 101 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 106 transitions. [2022-02-20 23:55:47,832 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 106 transitions. Word has length 8 [2022-02-20 23:55:47,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:47,832 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 106 transitions. [2022-02-20 23:55:47,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2022-02-20 23:55:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:47,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:47,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:47,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:55:47,834 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash 59263632, now seen corresponding path program 1 times [2022-02-20 23:55:47,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:47,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205030154] [2022-02-20 23:55:47,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:47,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:47,913 INFO L290 TraceCheckUtils]: 0: Hoare triple {1657#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(14, 2); {1657#true} is VALID [2022-02-20 23:55:47,915 INFO L290 TraceCheckUtils]: 1: Hoare triple {1657#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,915 INFO L290 TraceCheckUtils]: 2: Hoare triple {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,916 INFO L290 TraceCheckUtils]: 3: Hoare triple {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,917 INFO L290 TraceCheckUtils]: 4: Hoare triple {1659#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,918 INFO L290 TraceCheckUtils]: 5: Hoare triple {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,919 INFO L290 TraceCheckUtils]: 6: Hoare triple {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,919 INFO L290 TraceCheckUtils]: 7: Hoare triple {1660#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {1658#false} is VALID [2022-02-20 23:55:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:47,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:47,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205030154] [2022-02-20 23:55:47,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205030154] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:47,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:47,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:47,921 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393485001] [2022-02-20 23:55:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:47,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-02-20 23:55:47,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:47,922 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:47,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:47,931 INFO L87 Difference]: Start difference. First operand 102 states and 106 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:48,334 INFO L93 Difference]: Finished difference Result 184 states and 188 transitions. [2022-02-20 23:55:48,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:48,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-02-20 23:55:48,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2022-02-20 23:55:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2022-02-20 23:55:48,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 204 transitions. [2022-02-20 23:55:48,516 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:48,519 INFO L225 Difference]: With dead ends: 184 [2022-02-20 23:55:48,519 INFO L226 Difference]: Without dead ends: 184 [2022-02-20 23:55:48,519 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 23:55:48,520 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 193 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:48,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 104 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-02-20 23:55:48,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 133. [2022-02-20 23:55:48,525 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:48,526 INFO L82 GeneralOperation]: Start isEquivalent. First operand 184 states. Second operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,526 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,527 INFO L87 Difference]: Start difference. First operand 184 states. Second operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:48,531 INFO L93 Difference]: Finished difference Result 184 states and 188 transitions. [2022-02-20 23:55:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 188 transitions. [2022-02-20 23:55:48,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:48,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:48,532 INFO L74 IsIncluded]: Start isIncluded. First operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 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 184 states. [2022-02-20 23:55:48,532 INFO L87 Difference]: Start difference. First operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 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 184 states. [2022-02-20 23:55:48,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:48,536 INFO L93 Difference]: Finished difference Result 184 states and 188 transitions. [2022-02-20 23:55:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 188 transitions. [2022-02-20 23:55:48,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:48,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:48,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:48,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 96 states have (on average 1.5) internal successors, (144), 132 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2022-02-20 23:55:48,540 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 8 [2022-02-20 23:55:48,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:48,541 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2022-02-20 23:55:48,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2022-02-20 23:55:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:48,541 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:48,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:48,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:55:48,542 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:48,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:48,542 INFO L85 PathProgramCache]: Analyzing trace with hash 467003055, now seen corresponding path program 1 times [2022-02-20 23:55:48,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:48,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408223497] [2022-02-20 23:55:48,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:48,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:48,605 INFO L290 TraceCheckUtils]: 0: Hoare triple {2350#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(14, 2); {2350#true} is VALID [2022-02-20 23:55:48,606 INFO L290 TraceCheckUtils]: 1: Hoare triple {2350#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2350#true} is VALID [2022-02-20 23:55:48,606 INFO L290 TraceCheckUtils]: 2: Hoare triple {2350#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {2350#true} is VALID [2022-02-20 23:55:48,606 INFO L290 TraceCheckUtils]: 3: Hoare triple {2350#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {2350#true} is VALID [2022-02-20 23:55:48,607 INFO L290 TraceCheckUtils]: 4: Hoare triple {2350#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2350#true} is VALID [2022-02-20 23:55:48,607 INFO L290 TraceCheckUtils]: 5: Hoare triple {2350#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2350#true} is VALID [2022-02-20 23:55:48,608 INFO L290 TraceCheckUtils]: 6: Hoare triple {2350#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {2352#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:55:48,609 INFO L290 TraceCheckUtils]: 7: Hoare triple {2352#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {2353#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:48,609 INFO L290 TraceCheckUtils]: 8: Hoare triple {2353#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2353#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:48,610 INFO L290 TraceCheckUtils]: 9: Hoare triple {2353#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {2354#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:55:48,610 INFO L290 TraceCheckUtils]: 10: Hoare triple {2354#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {2355#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:48,611 INFO L290 TraceCheckUtils]: 11: Hoare triple {2355#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {2351#false} is VALID [2022-02-20 23:55:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:48,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:48,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408223497] [2022-02-20 23:55:48,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408223497] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:48,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:48,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:48,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126310063] [2022-02-20 23:55:48,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:48,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:48,613 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:48,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,624 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:48,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:48,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:48,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:48,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:48,625 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,097 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2022-02-20 23:55:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:55:49,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2022-02-20 23:55:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2022-02-20 23:55:49,100 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 107 transitions. [2022-02-20 23:55:49,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,183 INFO L225 Difference]: With dead ends: 132 [2022-02-20 23:55:49,183 INFO L226 Difference]: Without dead ends: 132 [2022-02-20 23:55:49,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:49,185 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 64 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:49,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 221 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-02-20 23:55:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-02-20 23:55:49,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:49,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,190 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,190 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,193 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2022-02-20 23:55:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2022-02-20 23:55:49,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,193 INFO L74 IsIncluded]: Start isIncluded. First operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 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 132 states. [2022-02-20 23:55:49,194 INFO L87 Difference]: Start difference. First operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 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 132 states. [2022-02-20 23:55:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,196 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2022-02-20 23:55:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2022-02-20 23:55:49,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:49,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 96 states have (on average 1.4895833333333333) internal successors, (143), 131 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 143 transitions. [2022-02-20 23:55:49,200 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 143 transitions. Word has length 12 [2022-02-20 23:55:49,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:49,201 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 143 transitions. [2022-02-20 23:55:49,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2022-02-20 23:55:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:49,202 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:49,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:49,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:55:49,202 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:49,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:49,203 INFO L85 PathProgramCache]: Analyzing trace with hash 467003056, now seen corresponding path program 1 times [2022-02-20 23:55:49,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:49,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676655920] [2022-02-20 23:55:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,307 INFO L290 TraceCheckUtils]: 0: Hoare triple {2894#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(14, 2); {2894#true} is VALID [2022-02-20 23:55:49,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {2894#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2894#true} is VALID [2022-02-20 23:55:49,308 INFO L290 TraceCheckUtils]: 2: Hoare triple {2894#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {2894#true} is VALID [2022-02-20 23:55:49,308 INFO L290 TraceCheckUtils]: 3: Hoare triple {2894#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {2894#true} is VALID [2022-02-20 23:55:49,309 INFO L290 TraceCheckUtils]: 4: Hoare triple {2894#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2894#true} is VALID [2022-02-20 23:55:49,309 INFO L290 TraceCheckUtils]: 5: Hoare triple {2894#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2894#true} is VALID [2022-02-20 23:55:49,310 INFO L290 TraceCheckUtils]: 6: Hoare triple {2894#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {2896#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} is VALID [2022-02-20 23:55:49,311 INFO L290 TraceCheckUtils]: 7: Hoare triple {2896#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {2897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,311 INFO L290 TraceCheckUtils]: 8: Hoare triple {2897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,312 INFO L290 TraceCheckUtils]: 9: Hoare triple {2897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {2898#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0))} is VALID [2022-02-20 23:55:49,313 INFO L290 TraceCheckUtils]: 10: Hoare triple {2898#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {2899#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:49,313 INFO L290 TraceCheckUtils]: 11: Hoare triple {2899#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {2895#false} is VALID [2022-02-20 23:55:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:49,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:49,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676655920] [2022-02-20 23:55:49,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676655920] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:49,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:49,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:49,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73362078] [2022-02-20 23:55:49,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:49,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:49,316 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:49,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,326 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:49,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:49,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:49,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:49,327 INFO L87 Difference]: Start difference. First operand 132 states and 143 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,866 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2022-02-20 23:55:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:49,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 117 transitions. [2022-02-20 23:55:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 117 transitions. [2022-02-20 23:55:49,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 117 transitions. [2022-02-20 23:55:49,961 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,962 INFO L225 Difference]: With dead ends: 131 [2022-02-20 23:55:49,963 INFO L226 Difference]: Without dead ends: 131 [2022-02-20 23:55:49,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:49,964 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 19 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:49,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 302 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:49,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-02-20 23:55:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 116. [2022-02-20 23:55:49,968 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:49,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,968 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,969 INFO L87 Difference]: Start difference. First operand 131 states. Second operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,972 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2022-02-20 23:55:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2022-02-20 23:55:49,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,973 INFO L74 IsIncluded]: Start isIncluded. First operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 131 states. [2022-02-20 23:55:49,973 INFO L87 Difference]: Start difference. First operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 131 states. [2022-02-20 23:55:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,976 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2022-02-20 23:55:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2022-02-20 23:55:49,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,977 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:49,977 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 115 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2022-02-20 23:55:49,980 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 12 [2022-02-20 23:55:49,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:49,980 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2022-02-20 23:55:49,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2022-02-20 23:55:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:55:49,981 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:49,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:49,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:55:49,982 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:49,982 INFO L85 PathProgramCache]: Analyzing trace with hash 763856048, now seen corresponding path program 1 times [2022-02-20 23:55:49,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:49,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498620430] [2022-02-20 23:55:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:50,038 INFO L290 TraceCheckUtils]: 0: Hoare triple {3423#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(14, 2); {3423#true} is VALID [2022-02-20 23:55:50,038 INFO L290 TraceCheckUtils]: 1: Hoare triple {3423#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3423#true} is VALID [2022-02-20 23:55:50,038 INFO L290 TraceCheckUtils]: 2: Hoare triple {3423#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {3423#true} is VALID [2022-02-20 23:55:50,039 INFO L290 TraceCheckUtils]: 3: Hoare triple {3423#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {3423#true} is VALID [2022-02-20 23:55:50,039 INFO L290 TraceCheckUtils]: 4: Hoare triple {3423#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3423#true} is VALID [2022-02-20 23:55:50,039 INFO L290 TraceCheckUtils]: 5: Hoare triple {3423#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3423#true} is VALID [2022-02-20 23:55:50,039 INFO L290 TraceCheckUtils]: 6: Hoare triple {3423#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3423#true} is VALID [2022-02-20 23:55:50,040 INFO L290 TraceCheckUtils]: 7: Hoare triple {3423#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {3423#true} is VALID [2022-02-20 23:55:50,040 INFO L290 TraceCheckUtils]: 8: Hoare triple {3423#true} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {3425#(= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc5#1.base|))} is VALID [2022-02-20 23:55:50,041 INFO L290 TraceCheckUtils]: 9: Hoare triple {3425#(= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc5#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {3426#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:50,042 INFO L290 TraceCheckUtils]: 10: Hoare triple {3426#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {3426#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:50,042 INFO L290 TraceCheckUtils]: 11: Hoare triple {3426#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {3427#(= (select |#valid| |ULTIMATE.start_main_#t~mem6#1.base|) 1)} is VALID [2022-02-20 23:55:50,043 INFO L290 TraceCheckUtils]: 12: Hoare triple {3427#(= (select |#valid| |ULTIMATE.start_main_#t~mem6#1.base|) 1)} assume !(1 == #valid[main_#t~mem6#1.base]); {3424#false} is VALID [2022-02-20 23:55:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:50,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:50,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498620430] [2022-02-20 23:55:50,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498620430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:50,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:50,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:50,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110001852] [2022-02-20 23:55:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:50,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,049 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:50,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,059 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 23:55:50,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:50,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:50,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:50,061 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,339 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2022-02-20 23:55:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:50,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 95 transitions. [2022-02-20 23:55:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 95 transitions. [2022-02-20 23:55:50,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 95 transitions. [2022-02-20 23:55:50,434 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:50,436 INFO L225 Difference]: With dead ends: 115 [2022-02-20 23:55:50,436 INFO L226 Difference]: Without dead ends: 115 [2022-02-20 23:55:50,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:50,437 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:50,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 244 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-20 23:55:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-02-20 23:55:50,441 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:50,441 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,441 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,442 INFO L87 Difference]: Start difference. First operand 115 states. Second operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,444 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2022-02-20 23:55:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-02-20 23:55:50,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:50,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:50,445 INFO L74 IsIncluded]: Start isIncluded. First operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 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 23:55:50,446 INFO L87 Difference]: Start difference. First operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 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 23:55:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,448 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2022-02-20 23:55:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-02-20 23:55:50,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:50,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:50,449 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:50,449 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2022-02-20 23:55:50,452 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 13 [2022-02-20 23:55:50,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:50,452 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2022-02-20 23:55:50,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-02-20 23:55:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:55:50,453 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:50,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:50,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:55:50,454 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:50,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:50,454 INFO L85 PathProgramCache]: Analyzing trace with hash 763856049, now seen corresponding path program 1 times [2022-02-20 23:55:50,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:50,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135179309] [2022-02-20 23:55:50,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:50,541 INFO L290 TraceCheckUtils]: 0: Hoare triple {3894#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(14, 2); {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 1: Hoare triple {3894#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 2: Hoare triple {3894#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 3: Hoare triple {3894#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 4: Hoare triple {3894#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 5: Hoare triple {3894#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3894#true} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 6: Hoare triple {3894#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3894#true} is VALID [2022-02-20 23:55:50,543 INFO L290 TraceCheckUtils]: 7: Hoare triple {3894#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {3894#true} is VALID [2022-02-20 23:55:50,548 INFO L290 TraceCheckUtils]: 8: Hoare triple {3894#true} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {3896#(and (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) 8))} is VALID [2022-02-20 23:55:50,549 INFO L290 TraceCheckUtils]: 9: Hoare triple {3896#(and (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {3897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:50,549 INFO L290 TraceCheckUtils]: 10: Hoare triple {3897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {3897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:50,550 INFO L290 TraceCheckUtils]: 11: Hoare triple {3897#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {3898#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem6#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0))} is VALID [2022-02-20 23:55:50,551 INFO L290 TraceCheckUtils]: 12: Hoare triple {3898#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem6#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0))} assume !(4 + (4 + main_#t~mem6#1.offset) <= #length[main_#t~mem6#1.base] && 0 <= 4 + main_#t~mem6#1.offset); {3895#false} is VALID [2022-02-20 23:55:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:50,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:50,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135179309] [2022-02-20 23:55:50,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135179309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:50,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:50,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:50,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586660899] [2022-02-20 23:55:50,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:50,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:50,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,568 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 23:55:50,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:50,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:50,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:50,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:50,569 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,858 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2022-02-20 23:55:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:50,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 94 transitions. [2022-02-20 23:55:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 94 transitions. [2022-02-20 23:55:50,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 94 transitions. [2022-02-20 23:55:50,930 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:50,932 INFO L225 Difference]: With dead ends: 114 [2022-02-20 23:55:50,932 INFO L226 Difference]: Without dead ends: 114 [2022-02-20 23:55:50,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:50,933 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:50,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 246 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-02-20 23:55:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-02-20 23:55:50,936 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:50,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 114 states. Second operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,937 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,937 INFO L87 Difference]: Start difference. First operand 114 states. Second operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,939 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2022-02-20 23:55:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-02-20 23:55:50,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:50,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:50,940 INFO L74 IsIncluded]: Start isIncluded. First operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 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 114 states. [2022-02-20 23:55:50,941 INFO L87 Difference]: Start difference. First operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 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 114 states. [2022-02-20 23:55:50,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,943 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2022-02-20 23:55:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-02-20 23:55:50,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:50,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:50,944 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:50,944 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2022-02-20 23:55:50,947 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 13 [2022-02-20 23:55:50,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:50,947 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2022-02-20 23:55:50,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 23:55:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-02-20 23:55:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 23:55:50,948 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:50,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:50,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:55:50,949 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2113337263, now seen corresponding path program 1 times [2022-02-20 23:55:50,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:50,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177994731] [2022-02-20 23:55:50,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:50,998 INFO L290 TraceCheckUtils]: 0: Hoare triple {4361#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(14, 2); {4361#true} is VALID [2022-02-20 23:55:50,999 INFO L290 TraceCheckUtils]: 1: Hoare triple {4361#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4361#true} is VALID [2022-02-20 23:55:50,999 INFO L290 TraceCheckUtils]: 2: Hoare triple {4361#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {4361#true} is VALID [2022-02-20 23:55:50,999 INFO L290 TraceCheckUtils]: 3: Hoare triple {4361#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {4361#true} is VALID [2022-02-20 23:55:51,000 INFO L290 TraceCheckUtils]: 4: Hoare triple {4361#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4361#true} is VALID [2022-02-20 23:55:51,000 INFO L290 TraceCheckUtils]: 5: Hoare triple {4361#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4361#true} is VALID [2022-02-20 23:55:51,000 INFO L290 TraceCheckUtils]: 6: Hoare triple {4361#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {4363#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0))} is VALID [2022-02-20 23:55:51,001 INFO L290 TraceCheckUtils]: 7: Hoare triple {4363#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {4364#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,001 INFO L290 TraceCheckUtils]: 8: Hoare triple {4364#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4364#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,002 INFO L290 TraceCheckUtils]: 9: Hoare triple {4364#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {4365#(not (= |ULTIMATE.start_main_#t~mem4#1.base| 0))} is VALID [2022-02-20 23:55:51,003 INFO L290 TraceCheckUtils]: 10: Hoare triple {4365#(not (= |ULTIMATE.start_main_#t~mem4#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {4366#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:51,003 INFO L290 TraceCheckUtils]: 11: Hoare triple {4366#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {4366#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:51,004 INFO L290 TraceCheckUtils]: 12: Hoare triple {4366#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {4362#false} is VALID [2022-02-20 23:55:51,004 INFO L290 TraceCheckUtils]: 13: Hoare triple {4362#false} assume !false; {4362#false} is VALID [2022-02-20 23:55:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:51,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:51,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177994731] [2022-02-20 23:55:51,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177994731] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:51,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:51,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:55:51,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429597118] [2022-02-20 23:55:51,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:51,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-02-20 23:55:51,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:51,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,016 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:51,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:51,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:51,018 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,369 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2022-02-20 23:55:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:51,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-02-20 23:55:51,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 106 transitions. [2022-02-20 23:55:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 106 transitions. [2022-02-20 23:55:51,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 106 transitions. [2022-02-20 23:55:51,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,448 INFO L225 Difference]: With dead ends: 125 [2022-02-20 23:55:51,448 INFO L226 Difference]: Without dead ends: 125 [2022-02-20 23:55:51,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:51,449 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 16 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:51,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 366 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-02-20 23:55:51,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 112. [2022-02-20 23:55:51,451 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:51,451 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,451 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,452 INFO L87 Difference]: Start difference. First operand 125 states. Second operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,453 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2022-02-20 23:55:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2022-02-20 23:55:51,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,454 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 125 states. [2022-02-20 23:55:51,455 INFO L87 Difference]: Start difference. First operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 125 states. [2022-02-20 23:55:51,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,456 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2022-02-20 23:55:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2022-02-20 23:55:51,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:51,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 111 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2022-02-20 23:55:51,459 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 14 [2022-02-20 23:55:51,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:51,459 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2022-02-20 23:55:51,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2022-02-20 23:55:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:55:51,460 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:51,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:51,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:55:51,460 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:51,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1298827700, now seen corresponding path program 1 times [2022-02-20 23:55:51,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:51,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978057647] [2022-02-20 23:55:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:51,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,506 INFO L290 TraceCheckUtils]: 0: Hoare triple {4868#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(14, 2); {4868#true} is VALID [2022-02-20 23:55:51,506 INFO L290 TraceCheckUtils]: 1: Hoare triple {4868#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,507 INFO L290 TraceCheckUtils]: 2: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,507 INFO L290 TraceCheckUtils]: 3: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,507 INFO L290 TraceCheckUtils]: 4: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,508 INFO L290 TraceCheckUtils]: 5: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,508 INFO L290 TraceCheckUtils]: 6: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,508 INFO L290 TraceCheckUtils]: 7: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,509 INFO L290 TraceCheckUtils]: 8: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,509 INFO L290 TraceCheckUtils]: 9: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,509 INFO L290 TraceCheckUtils]: 10: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,510 INFO L290 TraceCheckUtils]: 11: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,510 INFO L290 TraceCheckUtils]: 12: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:51,511 INFO L290 TraceCheckUtils]: 13: Hoare triple {4870#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4871#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:51,511 INFO L290 TraceCheckUtils]: 14: Hoare triple {4871#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {4869#false} is VALID [2022-02-20 23:55:51,511 INFO L290 TraceCheckUtils]: 15: Hoare triple {4869#false} assume !false; {4869#false} is VALID [2022-02-20 23:55:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:51,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:51,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978057647] [2022-02-20 23:55:51,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978057647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:51,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:51,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:51,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294670127] [2022-02-20 23:55:51,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:51,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:51,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:51,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,529 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:51,529 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:51,530 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,737 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2022-02-20 23:55:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:51,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 23:55:51,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174 transitions. [2022-02-20 23:55:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174 transitions. [2022-02-20 23:55:51,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 174 transitions. [2022-02-20 23:55:51,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,862 INFO L225 Difference]: With dead ends: 168 [2022-02-20 23:55:51,862 INFO L226 Difference]: Without dead ends: 168 [2022-02-20 23:55:51,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:51,864 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 165 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:51,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 131 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:51,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-20 23:55:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 110. [2022-02-20 23:55:51,866 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:51,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,867 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,867 INFO L87 Difference]: Start difference. First operand 168 states. Second operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,870 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2022-02-20 23:55:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2022-02-20 23:55:51,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,871 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:55:51,871 INFO L87 Difference]: Start difference. First operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:55:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,874 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2022-02-20 23:55:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2022-02-20 23:55:51,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,875 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:51,875 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 109 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2022-02-20 23:55:51,877 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 16 [2022-02-20 23:55:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:51,877 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2022-02-20 23:55:51,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2022-02-20 23:55:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:55:51,878 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:51,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:51,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:55:51,879 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:51,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:51,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1685750883, now seen corresponding path program 1 times [2022-02-20 23:55:51,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:51,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172317855] [2022-02-20 23:55:51,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:51,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,972 INFO L290 TraceCheckUtils]: 0: Hoare triple {5490#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(14, 2); {5490#true} is VALID [2022-02-20 23:55:51,973 INFO L290 TraceCheckUtils]: 1: Hoare triple {5490#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5490#true} is VALID [2022-02-20 23:55:51,973 INFO L290 TraceCheckUtils]: 2: Hoare triple {5490#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {5490#true} is VALID [2022-02-20 23:55:51,973 INFO L290 TraceCheckUtils]: 3: Hoare triple {5490#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {5490#true} is VALID [2022-02-20 23:55:51,973 INFO L290 TraceCheckUtils]: 4: Hoare triple {5490#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5490#true} is VALID [2022-02-20 23:55:51,973 INFO L290 TraceCheckUtils]: 5: Hoare triple {5490#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5490#true} is VALID [2022-02-20 23:55:51,974 INFO L290 TraceCheckUtils]: 6: Hoare triple {5490#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {5490#true} is VALID [2022-02-20 23:55:51,974 INFO L290 TraceCheckUtils]: 7: Hoare triple {5490#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {5490#true} is VALID [2022-02-20 23:55:51,974 INFO L290 TraceCheckUtils]: 8: Hoare triple {5490#true} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {5490#true} is VALID [2022-02-20 23:55:51,974 INFO L290 TraceCheckUtils]: 9: Hoare triple {5490#true} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {5490#true} is VALID [2022-02-20 23:55:51,975 INFO L290 TraceCheckUtils]: 10: Hoare triple {5490#true} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5490#true} is VALID [2022-02-20 23:55:51,975 INFO L290 TraceCheckUtils]: 11: Hoare triple {5490#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {5490#true} is VALID [2022-02-20 23:55:51,975 INFO L290 TraceCheckUtils]: 12: Hoare triple {5490#true} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {5490#true} is VALID [2022-02-20 23:55:51,975 INFO L290 TraceCheckUtils]: 13: Hoare triple {5490#true} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5490#true} is VALID [2022-02-20 23:55:51,975 INFO L290 TraceCheckUtils]: 14: Hoare triple {5490#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5490#true} is VALID [2022-02-20 23:55:51,976 INFO L290 TraceCheckUtils]: 15: Hoare triple {5490#true} goto; {5490#true} is VALID [2022-02-20 23:55:51,977 INFO L290 TraceCheckUtils]: 16: Hoare triple {5490#true} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {5492#(= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} is VALID [2022-02-20 23:55:51,978 INFO L290 TraceCheckUtils]: 17: Hoare triple {5492#(= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5493#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 23:55:51,979 INFO L290 TraceCheckUtils]: 18: Hoare triple {5493#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {5494#(= |ULTIMATE.start_main_#t~mem10#1| 1)} is VALID [2022-02-20 23:55:51,979 INFO L290 TraceCheckUtils]: 19: Hoare triple {5494#(= |ULTIMATE.start_main_#t~mem10#1| 1)} assume !(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {5491#false} is VALID [2022-02-20 23:55:51,979 INFO L290 TraceCheckUtils]: 20: Hoare triple {5491#false} assume !false; {5491#false} is VALID [2022-02-20 23:55:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:51,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:51,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172317855] [2022-02-20 23:55:51,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172317855] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:51,980 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:51,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:51,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32118721] [2022-02-20 23:55:51,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:55:51,981 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:51,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,000 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:52,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:52,000 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:52,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:52,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:52,002 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,260 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2022-02-20 23:55:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:52,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:55:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2022-02-20 23:55:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2022-02-20 23:55:52,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 88 transitions. [2022-02-20 23:55:52,315 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 23:55:52,316 INFO L225 Difference]: With dead ends: 108 [2022-02-20 23:55:52,316 INFO L226 Difference]: Without dead ends: 108 [2022-02-20 23:55:52,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:52,317 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 8 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:52,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 218 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:52,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-02-20 23:55:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2022-02-20 23:55:52,319 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:52,320 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,320 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,321 INFO L87 Difference]: Start difference. First operand 108 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,322 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2022-02-20 23:55:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2022-02-20 23:55:52,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:52,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:52,323 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 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 108 states. [2022-02-20 23:55:52,323 INFO L87 Difference]: Start difference. First operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 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 108 states. [2022-02-20 23:55:52,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:52,325 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2022-02-20 23:55:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2022-02-20 23:55:52,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:52,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:52,325 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:52,325 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 107 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2022-02-20 23:55:52,327 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 21 [2022-02-20 23:55:52,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:52,327 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2022-02-20 23:55:52,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2022-02-20 23:55:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:55:52,328 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:52,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:52,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:55:52,328 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:52,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:52,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1685783654, now seen corresponding path program 1 times [2022-02-20 23:55:52,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:52,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487327203] [2022-02-20 23:55:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:52,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:52,629 INFO L290 TraceCheckUtils]: 0: Hoare triple {5931#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(14, 2); {5931#true} is VALID [2022-02-20 23:55:52,630 INFO L290 TraceCheckUtils]: 1: Hoare triple {5931#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,630 INFO L290 TraceCheckUtils]: 2: Hoare triple {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,631 INFO L290 TraceCheckUtils]: 3: Hoare triple {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:52,631 INFO L290 TraceCheckUtils]: 4: Hoare triple {5933#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,632 INFO L290 TraceCheckUtils]: 5: Hoare triple {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,633 INFO L290 TraceCheckUtils]: 6: Hoare triple {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,634 INFO L290 TraceCheckUtils]: 7: Hoare triple {5934#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {5935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:52,635 INFO L290 TraceCheckUtils]: 8: Hoare triple {5935#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {5936#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,636 INFO L290 TraceCheckUtils]: 9: Hoare triple {5936#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {5937#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:52,636 INFO L290 TraceCheckUtils]: 10: Hoare triple {5937#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {5937#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:52,637 INFO L290 TraceCheckUtils]: 11: Hoare triple {5937#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {5938#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:52,638 INFO L290 TraceCheckUtils]: 12: Hoare triple {5938#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {5939#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,639 INFO L290 TraceCheckUtils]: 13: Hoare triple {5939#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,639 INFO L290 TraceCheckUtils]: 14: Hoare triple {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,640 INFO L290 TraceCheckUtils]: 15: Hoare triple {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} goto; {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,642 INFO L290 TraceCheckUtils]: 16: Hoare triple {5940#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {5941#(and (= |ULTIMATE.start_main_#t~mem7#1| 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,643 INFO L290 TraceCheckUtils]: 17: Hoare triple {5941#(and (= |ULTIMATE.start_main_#t~mem7#1| 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5932#false} is VALID [2022-02-20 23:55:52,643 INFO L290 TraceCheckUtils]: 18: Hoare triple {5932#false} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {5932#false} is VALID [2022-02-20 23:55:52,643 INFO L290 TraceCheckUtils]: 19: Hoare triple {5932#false} assume !(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {5932#false} is VALID [2022-02-20 23:55:52,643 INFO L290 TraceCheckUtils]: 20: Hoare triple {5932#false} assume !false; {5932#false} is VALID [2022-02-20 23:55:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:52,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:52,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487327203] [2022-02-20 23:55:52,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487327203] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:52,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:52,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-20 23:55:52,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348075037] [2022-02-20 23:55:52,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:52,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:55:52,645 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:52,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,665 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:52,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:52,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:52,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:52,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:52,666 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:53,710 INFO L93 Difference]: Finished difference Result 206 states and 210 transitions. [2022-02-20 23:55:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:55:53,710 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:55:53,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 211 transitions. [2022-02-20 23:55:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 211 transitions. [2022-02-20 23:55:53,718 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 211 transitions. [2022-02-20 23:55:53,903 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:53,906 INFO L225 Difference]: With dead ends: 206 [2022-02-20 23:55:53,906 INFO L226 Difference]: Without dead ends: 206 [2022-02-20 23:55:53,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:55:53,907 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 348 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:53,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 317 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:55:53,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-02-20 23:55:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 121. [2022-02-20 23:55:53,910 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:53,910 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 23:55:53,910 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 23:55:53,910 INFO L87 Difference]: Start difference. First operand 206 states. Second operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 23:55:53,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:53,916 INFO L93 Difference]: Finished difference Result 206 states and 210 transitions. [2022-02-20 23:55:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 210 transitions. [2022-02-20 23:55:53,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:53,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:53,917 INFO L74 IsIncluded]: Start isIncluded. First operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 206 states. [2022-02-20 23:55:53,917 INFO L87 Difference]: Start difference. First operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 206 states. [2022-02-20 23:55:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:53,920 INFO L93 Difference]: Finished difference Result 206 states and 210 transitions. [2022-02-20 23:55:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 210 transitions. [2022-02-20 23:55:53,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:53,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:53,921 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:53,921 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 120 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 23:55:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 131 transitions. [2022-02-20 23:55:53,928 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 131 transitions. Word has length 21 [2022-02-20 23:55:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:53,928 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 131 transitions. [2022-02-20 23:55:53,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2022-02-20 23:55:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:55:53,929 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:53,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:53,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:55:53,930 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:53,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:53,930 INFO L85 PathProgramCache]: Analyzing trace with hash -843990961, now seen corresponding path program 1 times [2022-02-20 23:55:53,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:53,931 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299072107] [2022-02-20 23:55:53,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:53,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:54,088 INFO L290 TraceCheckUtils]: 0: Hoare triple {6695#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(14, 2); {6695#true} is VALID [2022-02-20 23:55:54,089 INFO L290 TraceCheckUtils]: 1: Hoare triple {6695#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6695#true} is VALID [2022-02-20 23:55:54,089 INFO L290 TraceCheckUtils]: 2: Hoare triple {6695#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {6695#true} is VALID [2022-02-20 23:55:54,089 INFO L290 TraceCheckUtils]: 3: Hoare triple {6695#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {6695#true} is VALID [2022-02-20 23:55:54,090 INFO L290 TraceCheckUtils]: 4: Hoare triple {6695#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:54,090 INFO L290 TraceCheckUtils]: 5: Hoare triple {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:54,091 INFO L290 TraceCheckUtils]: 6: Hoare triple {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:54,091 INFO L290 TraceCheckUtils]: 7: Hoare triple {6697#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {6698#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:54,092 INFO L290 TraceCheckUtils]: 8: Hoare triple {6698#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {6699#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc5#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)))} is VALID [2022-02-20 23:55:54,093 INFO L290 TraceCheckUtils]: 9: Hoare triple {6699#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= 1 (select |#valid| |ULTIMATE.start_main_#t~malloc5#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {6700#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:54,093 INFO L290 TraceCheckUtils]: 10: Hoare triple {6700#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {6700#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:54,094 INFO L290 TraceCheckUtils]: 11: Hoare triple {6700#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {6701#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:54,095 INFO L290 TraceCheckUtils]: 12: Hoare triple {6701#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {6702#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,095 INFO L290 TraceCheckUtils]: 13: Hoare triple {6702#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,096 INFO L290 TraceCheckUtils]: 14: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,096 INFO L290 TraceCheckUtils]: 15: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,097 INFO L290 TraceCheckUtils]: 16: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,097 INFO L290 TraceCheckUtils]: 17: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,097 INFO L290 TraceCheckUtils]: 18: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,098 INFO L290 TraceCheckUtils]: 19: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,098 INFO L290 TraceCheckUtils]: 20: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:54,099 INFO L290 TraceCheckUtils]: 21: Hoare triple {6703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {6704#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:55:54,099 INFO L290 TraceCheckUtils]: 22: Hoare triple {6704#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {6705#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:54,103 INFO L290 TraceCheckUtils]: 23: Hoare triple {6705#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {6696#false} is VALID [2022-02-20 23:55:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:54,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:54,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299072107] [2022-02-20 23:55:54,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299072107] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:54,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:54,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-20 23:55:54,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838356151] [2022-02-20 23:55:54,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:54,105 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:54,106 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:54,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:54,124 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:54,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:54,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:54,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:54,125 INFO L87 Difference]: Start difference. First operand 121 states and 131 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,030 INFO L93 Difference]: Finished difference Result 172 states and 177 transitions. [2022-02-20 23:55:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 23:55:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:55,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2022-02-20 23:55:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2022-02-20 23:55:55,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 175 transitions. [2022-02-20 23:55:55,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:55,151 INFO L225 Difference]: With dead ends: 172 [2022-02-20 23:55:55,151 INFO L226 Difference]: Without dead ends: 172 [2022-02-20 23:55:55,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:55:55,152 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 270 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:55,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 267 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:55,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-02-20 23:55:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 127. [2022-02-20 23:55:55,154 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:55,154 INFO L82 GeneralOperation]: Start isEquivalent. First operand 172 states. Second operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,155 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,155 INFO L87 Difference]: Start difference. First operand 172 states. Second operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,157 INFO L93 Difference]: Finished difference Result 172 states and 177 transitions. [2022-02-20 23:55:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2022-02-20 23:55:55,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:55,158 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:55,158 INFO L74 IsIncluded]: Start isIncluded. First operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 172 states. [2022-02-20 23:55:55,158 INFO L87 Difference]: Start difference. First operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 172 states. [2022-02-20 23:55:55,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,164 INFO L93 Difference]: Finished difference Result 172 states and 177 transitions. [2022-02-20 23:55:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2022-02-20 23:55:55,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:55,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:55,164 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:55,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 126 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 138 transitions. [2022-02-20 23:55:55,167 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 138 transitions. Word has length 24 [2022-02-20 23:55:55,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:55,168 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 138 transitions. [2022-02-20 23:55:55,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2022-02-20 23:55:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 23:55:55,169 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:55,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:55,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:55:55,169 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash -843990960, now seen corresponding path program 1 times [2022-02-20 23:55:55,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:55,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177976161] [2022-02-20 23:55:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:55,393 INFO L290 TraceCheckUtils]: 0: Hoare triple {7367#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(14, 2); {7367#true} is VALID [2022-02-20 23:55:55,394 INFO L290 TraceCheckUtils]: 1: Hoare triple {7367#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7367#true} is VALID [2022-02-20 23:55:55,394 INFO L290 TraceCheckUtils]: 2: Hoare triple {7367#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {7367#true} is VALID [2022-02-20 23:55:55,394 INFO L290 TraceCheckUtils]: 3: Hoare triple {7367#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {7367#true} is VALID [2022-02-20 23:55:55,394 INFO L290 TraceCheckUtils]: 4: Hoare triple {7367#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,395 INFO L290 TraceCheckUtils]: 5: Hoare triple {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,395 INFO L290 TraceCheckUtils]: 6: Hoare triple {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {7369#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {7370#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:55,397 INFO L290 TraceCheckUtils]: 8: Hoare triple {7370#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {7371#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) 8))} is VALID [2022-02-20 23:55:55,398 INFO L290 TraceCheckUtils]: 9: Hoare triple {7371#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {7372#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,399 INFO L290 TraceCheckUtils]: 10: Hoare triple {7372#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {7372#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,399 INFO L290 TraceCheckUtils]: 11: Hoare triple {7372#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {7373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,400 INFO L290 TraceCheckUtils]: 12: Hoare triple {7373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {7374#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,401 INFO L290 TraceCheckUtils]: 13: Hoare triple {7374#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,401 INFO L290 TraceCheckUtils]: 14: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,402 INFO L290 TraceCheckUtils]: 15: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} goto; {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,402 INFO L290 TraceCheckUtils]: 16: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,403 INFO L290 TraceCheckUtils]: 17: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,404 INFO L290 TraceCheckUtils]: 18: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,404 INFO L290 TraceCheckUtils]: 19: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,405 INFO L290 TraceCheckUtils]: 20: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} goto; {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:55,405 INFO L290 TraceCheckUtils]: 21: Hoare triple {7375#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {7376#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) (= |ULTIMATE.start_main_#t~mem11#1.offset| 0))} is VALID [2022-02-20 23:55:55,406 INFO L290 TraceCheckUtils]: 22: Hoare triple {7376#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) (= |ULTIMATE.start_main_#t~mem11#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {7377#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:55,406 INFO L290 TraceCheckUtils]: 23: Hoare triple {7377#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {7368#false} is VALID [2022-02-20 23:55:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:55,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:55,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177976161] [2022-02-20 23:55:55,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177976161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:55,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:55,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-20 23:55:55,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86630928] [2022-02-20 23:55:55,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:55,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:55,408 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:55,408 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,431 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:55,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:55,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:55,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:55,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:55,432 INFO L87 Difference]: Start difference. First operand 127 states and 138 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,552 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2022-02-20 23:55:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 23:55:56,552 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 23:55:56,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 207 transitions. [2022-02-20 23:55:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 207 transitions. [2022-02-20 23:55:56,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 207 transitions. [2022-02-20 23:55:56,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:56,697 INFO L225 Difference]: With dead ends: 204 [2022-02-20 23:55:56,697 INFO L226 Difference]: Without dead ends: 204 [2022-02-20 23:55:56,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:55:56,698 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 159 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:56,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 346 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:55:56,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-02-20 23:55:56,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 127. [2022-02-20 23:55:56,701 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:56,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,701 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,701 INFO L87 Difference]: Start difference. First operand 204 states. Second operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,705 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2022-02-20 23:55:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 208 transitions. [2022-02-20 23:55:56,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:56,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:56,706 INFO L74 IsIncluded]: Start isIncluded. First operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 204 states. [2022-02-20 23:55:56,706 INFO L87 Difference]: Start difference. First operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 204 states. [2022-02-20 23:55:56,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:56,713 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2022-02-20 23:55:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 208 transitions. [2022-02-20 23:55:56,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:56,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:56,714 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:56,714 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2022-02-20 23:55:56,716 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 24 [2022-02-20 23:55:56,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:56,717 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2022-02-20 23:55:56,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2022-02-20 23:55:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:56,719 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:56,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:56,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:55:56,719 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:56,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:56,720 INFO L85 PathProgramCache]: Analyzing trace with hash 673509455, now seen corresponding path program 1 times [2022-02-20 23:55:56,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:56,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407148669] [2022-02-20 23:55:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:57,014 INFO L290 TraceCheckUtils]: 0: Hoare triple {8135#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(14, 2); {8135#true} is VALID [2022-02-20 23:55:57,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {8135#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:57,015 INFO L290 TraceCheckUtils]: 2: Hoare triple {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:57,015 INFO L290 TraceCheckUtils]: 3: Hoare triple {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:57,016 INFO L290 TraceCheckUtils]: 4: Hoare triple {8137#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:57,016 INFO L290 TraceCheckUtils]: 5: Hoare triple {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:57,017 INFO L290 TraceCheckUtils]: 6: Hoare triple {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:57,018 INFO L290 TraceCheckUtils]: 7: Hoare triple {8138#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {8139#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:55:57,018 INFO L290 TraceCheckUtils]: 8: Hoare triple {8139#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {8140#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:57,020 INFO L290 TraceCheckUtils]: 9: Hoare triple {8140#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc5#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc5#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {8141#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,024 INFO L290 TraceCheckUtils]: 10: Hoare triple {8141#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {8141#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,025 INFO L290 TraceCheckUtils]: 11: Hoare triple {8141#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {8142#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,027 INFO L290 TraceCheckUtils]: 12: Hoare triple {8142#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {8143#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,028 INFO L290 TraceCheckUtils]: 13: Hoare triple {8143#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,029 INFO L290 TraceCheckUtils]: 14: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,030 INFO L290 TraceCheckUtils]: 16: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,030 INFO L290 TraceCheckUtils]: 17: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,031 INFO L290 TraceCheckUtils]: 18: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,031 INFO L290 TraceCheckUtils]: 19: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,032 INFO L290 TraceCheckUtils]: 20: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:57,033 INFO L290 TraceCheckUtils]: 21: Hoare triple {8144#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 2) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {8145#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem11#1.base|) 4)) (= |ULTIMATE.start_main_#t~mem11#1.offset| 0))} is VALID [2022-02-20 23:55:57,033 INFO L290 TraceCheckUtils]: 22: Hoare triple {8145#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem11#1.base|) 4)) (= |ULTIMATE.start_main_#t~mem11#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {8146#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:57,034 INFO L290 TraceCheckUtils]: 23: Hoare triple {8146#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1033-5 {8147#(= 2 |ULTIMATE.start_main_#t~mem12#1|)} is VALID [2022-02-20 23:55:57,034 INFO L290 TraceCheckUtils]: 24: Hoare triple {8147#(= 2 |ULTIMATE.start_main_#t~mem12#1|)} assume !(2 == main_#t~mem12#1);havoc main_#t~mem12#1; {8136#false} is VALID [2022-02-20 23:55:57,034 INFO L290 TraceCheckUtils]: 25: Hoare triple {8136#false} assume !false; {8136#false} is VALID [2022-02-20 23:55:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:57,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:57,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407148669] [2022-02-20 23:55:57,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407148669] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:57,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:57,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-20 23:55:57,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561732239] [2022-02-20 23:55:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:57,036 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:57,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:57,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,062 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:57,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 23:55:57,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:57,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 23:55:57,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:55:57,064 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,392 INFO L93 Difference]: Finished difference Result 202 states and 206 transitions. [2022-02-20 23:55:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:55:58,392 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 207 transitions. [2022-02-20 23:55:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 207 transitions. [2022-02-20 23:55:58,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 207 transitions. [2022-02-20 23:55:58,561 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:58,564 INFO L225 Difference]: With dead ends: 202 [2022-02-20 23:55:58,564 INFO L226 Difference]: Without dead ends: 202 [2022-02-20 23:55:58,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2022-02-20 23:55:58,565 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 239 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:58,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 431 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:55:58,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-02-20 23:55:58,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 128. [2022-02-20 23:55:58,569 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:58,569 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,570 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,570 INFO L87 Difference]: Start difference. First operand 202 states. Second operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,573 INFO L93 Difference]: Finished difference Result 202 states and 206 transitions. [2022-02-20 23:55:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 206 transitions. [2022-02-20 23:55:58,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,574 INFO L74 IsIncluded]: Start isIncluded. First operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 202 states. [2022-02-20 23:55:58,575 INFO L87 Difference]: Start difference. First operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 202 states. [2022-02-20 23:55:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,579 INFO L93 Difference]: Finished difference Result 202 states and 206 transitions. [2022-02-20 23:55:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 206 transitions. [2022-02-20 23:55:58,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:58,580 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2022-02-20 23:55:58,582 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 26 [2022-02-20 23:55:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:58,582 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2022-02-20 23:55:58,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2022-02-20 23:55:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:58,583 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:58,583 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:58,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:55:58,584 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:58,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1451405621, now seen corresponding path program 1 times [2022-02-20 23:55:58,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:58,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251739426] [2022-02-20 23:55:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:59,008 INFO L290 TraceCheckUtils]: 0: Hoare triple {8906#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(14, 2); {8906#true} is VALID [2022-02-20 23:55:59,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {8906#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8908#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:59,010 INFO L290 TraceCheckUtils]: 2: Hoare triple {8908#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,010 INFO L290 TraceCheckUtils]: 3: Hoare triple {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {8910#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,011 INFO L290 TraceCheckUtils]: 4: Hoare triple {8910#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,011 INFO L290 TraceCheckUtils]: 5: Hoare triple {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,012 INFO L290 TraceCheckUtils]: 6: Hoare triple {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {8912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,013 INFO L290 TraceCheckUtils]: 7: Hoare triple {8912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:59,014 INFO L290 TraceCheckUtils]: 8: Hoare triple {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:59,014 INFO L290 TraceCheckUtils]: 9: Hoare triple {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {8914#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,015 INFO L290 TraceCheckUtils]: 10: Hoare triple {8914#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,016 INFO L290 TraceCheckUtils]: 11: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,018 INFO L290 TraceCheckUtils]: 13: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,018 INFO L290 TraceCheckUtils]: 14: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,019 INFO L290 TraceCheckUtils]: 15: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,020 INFO L290 TraceCheckUtils]: 16: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,020 INFO L290 TraceCheckUtils]: 17: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {8916#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,021 INFO L290 TraceCheckUtils]: 18: Hoare triple {8916#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {8917#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,026 INFO L290 TraceCheckUtils]: 19: Hoare triple {8917#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {8917#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,027 INFO L290 TraceCheckUtils]: 20: Hoare triple {8917#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {8918#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,028 INFO L290 TraceCheckUtils]: 21: Hoare triple {8918#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {8919#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,029 INFO L290 TraceCheckUtils]: 22: Hoare triple {8919#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:59,031 INFO L290 TraceCheckUtils]: 23: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:59,032 INFO L290 TraceCheckUtils]: 24: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} goto; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:59,032 INFO L290 TraceCheckUtils]: 25: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:59,033 INFO L290 TraceCheckUtils]: 26: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:55:59,033 INFO L290 TraceCheckUtils]: 27: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} is VALID [2022-02-20 23:55:59,034 INFO L290 TraceCheckUtils]: 28: Hoare triple {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} assume !(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {8907#false} is VALID [2022-02-20 23:55:59,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {8907#false} assume !false; {8907#false} is VALID [2022-02-20 23:55:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:59,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:59,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251739426] [2022-02-20 23:55:59,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251739426] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:59,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032554354] [2022-02-20 23:55:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:59,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:59,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:59,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:59,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 23:55:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:59,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-20 23:55:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:59,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:59,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:59,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:59,427 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:59,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:59,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:59,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:59,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:59,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:59,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:59,779 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:59,780 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 23:55:59,829 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 23:55:59,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:59,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:59,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:56:00,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:56:00,036 INFO L290 TraceCheckUtils]: 0: Hoare triple {8906#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(14, 2); {8906#true} is VALID [2022-02-20 23:56:00,037 INFO L290 TraceCheckUtils]: 1: Hoare triple {8906#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,038 INFO L290 TraceCheckUtils]: 2: Hoare triple {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,039 INFO L290 TraceCheckUtils]: 3: Hoare triple {8909#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {8910#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,040 INFO L290 TraceCheckUtils]: 4: Hoare triple {8910#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,040 INFO L290 TraceCheckUtils]: 5: Hoare triple {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,041 INFO L290 TraceCheckUtils]: 6: Hoare triple {8911#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {8912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,044 INFO L290 TraceCheckUtils]: 7: Hoare triple {8912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:00,045 INFO L290 TraceCheckUtils]: 8: Hoare triple {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:00,046 INFO L290 TraceCheckUtils]: 9: Hoare triple {8913#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {8914#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,046 INFO L290 TraceCheckUtils]: 10: Hoare triple {8914#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,047 INFO L290 TraceCheckUtils]: 11: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,048 INFO L290 TraceCheckUtils]: 12: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,048 INFO L290 TraceCheckUtils]: 13: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,049 INFO L290 TraceCheckUtils]: 14: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,050 INFO L290 TraceCheckUtils]: 15: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,051 INFO L290 TraceCheckUtils]: 16: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:00,052 INFO L290 TraceCheckUtils]: 17: Hoare triple {8915#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {8916#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,053 INFO L290 TraceCheckUtils]: 18: Hoare triple {8916#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {8979#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,053 INFO L290 TraceCheckUtils]: 19: Hoare triple {8979#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {8979#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,054 INFO L290 TraceCheckUtils]: 20: Hoare triple {8979#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {8918#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:00,055 INFO L290 TraceCheckUtils]: 21: Hoare triple {8918#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {8919#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,055 INFO L290 TraceCheckUtils]: 22: Hoare triple {8919#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:00,056 INFO L290 TraceCheckUtils]: 23: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:00,056 INFO L290 TraceCheckUtils]: 24: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} goto; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:00,057 INFO L290 TraceCheckUtils]: 25: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:00,058 INFO L290 TraceCheckUtils]: 26: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:00,059 INFO L290 TraceCheckUtils]: 27: Hoare triple {8920#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} is VALID [2022-02-20 23:56:00,059 INFO L290 TraceCheckUtils]: 28: Hoare triple {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} assume !(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {8907#false} is VALID [2022-02-20 23:56:00,059 INFO L290 TraceCheckUtils]: 29: Hoare triple {8907#false} assume !false; {8907#false} is VALID [2022-02-20 23:56:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:00,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:00,116 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_473) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) is different from false [2022-02-20 23:56:00,127 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_473) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) is different from false [2022-02-20 23:56:00,152 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |c_ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_473) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) is different from false [2022-02-20 23:56:00,675 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:56:00,676 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 13 treesize of output 12 [2022-02-20 23:56:01,542 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_464 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_51| Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |c_ULTIMATE.start_main_~head~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0)) (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) is different from false [2022-02-20 23:56:01,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:01,772 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:01,773 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-02-20 23:56:01,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:01,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 36 treesize of output 24 [2022-02-20 23:56:01,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 23:56:01,861 INFO L290 TraceCheckUtils]: 29: Hoare triple {8907#false} assume !false; {8907#false} is VALID [2022-02-20 23:56:01,862 INFO L290 TraceCheckUtils]: 28: Hoare triple {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} assume !(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {8907#false} is VALID [2022-02-20 23:56:01,863 INFO L290 TraceCheckUtils]: 27: Hoare triple {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {8921#(= |ULTIMATE.start_main_#t~mem8#1| 0)} is VALID [2022-02-20 23:56:01,863 INFO L290 TraceCheckUtils]: 26: Hoare triple {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,863 INFO L290 TraceCheckUtils]: 25: Hoare triple {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,864 INFO L290 TraceCheckUtils]: 24: Hoare triple {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} goto; {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,864 INFO L290 TraceCheckUtils]: 23: Hoare triple {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,867 INFO L290 TraceCheckUtils]: 22: Hoare triple {9035#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9019#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,869 INFO L290 TraceCheckUtils]: 21: Hoare triple {9039#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {9035#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,869 INFO L290 TraceCheckUtils]: 20: Hoare triple {9043#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {9039#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,870 INFO L290 TraceCheckUtils]: 19: Hoare triple {9043#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {9043#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,871 INFO L290 TraceCheckUtils]: 18: Hoare triple {9050#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {9043#(forall ((v_ArrVal_473 (Array Int Int))) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,873 WARN L290 TraceCheckUtils]: 17: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {9050#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is UNKNOWN [2022-02-20 23:56:01,876 WARN L290 TraceCheckUtils]: 16: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is UNKNOWN [2022-02-20 23:56:01,877 INFO L290 TraceCheckUtils]: 15: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is VALID [2022-02-20 23:56:01,877 INFO L290 TraceCheckUtils]: 14: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is VALID [2022-02-20 23:56:01,878 INFO L290 TraceCheckUtils]: 13: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} goto; {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is VALID [2022-02-20 23:56:01,878 INFO L290 TraceCheckUtils]: 12: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is VALID [2022-02-20 23:56:01,881 WARN L290 TraceCheckUtils]: 11: Hoare triple {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is UNKNOWN [2022-02-20 23:56:01,882 INFO L290 TraceCheckUtils]: 10: Hoare triple {9076#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {9054#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))))} is VALID [2022-02-20 23:56:01,882 INFO L290 TraceCheckUtils]: 9: Hoare triple {9080#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (= 0 (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {9076#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0))))} is VALID [2022-02-20 23:56:01,883 INFO L290 TraceCheckUtils]: 8: Hoare triple {9080#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (= 0 (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {9080#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (= 0 (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is VALID [2022-02-20 23:56:01,885 WARN L290 TraceCheckUtils]: 7: Hoare triple {9087#(forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {9080#(forall ((v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_6|) 0)) (= 0 (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 23:56:01,887 WARN L290 TraceCheckUtils]: 6: Hoare triple {9091#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {9087#(forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is UNKNOWN [2022-02-20 23:56:01,888 INFO L290 TraceCheckUtils]: 5: Hoare triple {9091#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9091#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:56:01,889 WARN L290 TraceCheckUtils]: 4: Hoare triple {9098#(forall ((v_ArrVal_464 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_51| Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9091#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (forall ((v_ArrVal_464 Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is UNKNOWN [2022-02-20 23:56:01,890 INFO L290 TraceCheckUtils]: 3: Hoare triple {9102#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {9098#(forall ((v_ArrVal_464 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_51| Int) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_473 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc5#1.base_6| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_51| |ULTIMATE.start_main_~head~0#1.offset|)) (= |v_ULTIMATE.start_main_#t~malloc5#1.base_6| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_51| v_ArrVal_464)) |v_ULTIMATE.start_main_#t~malloc3#1.base_6| v_ArrVal_471) |v_ULTIMATE.start_main_#t~malloc5#1.base_6| v_ArrVal_473) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:56:01,891 INFO L290 TraceCheckUtils]: 2: Hoare triple {9102#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {9102#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:01,891 INFO L290 TraceCheckUtils]: 1: Hoare triple {8906#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9102#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:56:01,891 INFO L290 TraceCheckUtils]: 0: Hoare triple {8906#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(14, 2); {8906#true} is VALID [2022-02-20 23:56:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:01,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032554354] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:01,892 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:01,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 29 [2022-02-20 23:56:01,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782290169] [2022-02-20 23:56:01,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:01,893 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:56:01,894 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:01,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:01,974 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 52 inductive. 0 not inductive. 10 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:01,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-20 23:56:01,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:01,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-20 23:56:01,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=468, Unknown=32, NotChecked=196, Total=812 [2022-02-20 23:56:01,976 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,187 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2022-02-20 23:56:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 23:56:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:56:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 124 transitions. [2022-02-20 23:56:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 124 transitions. [2022-02-20 23:56:03,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 124 transitions. [2022-02-20 23:56:03,291 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:03,293 INFO L225 Difference]: With dead ends: 158 [2022-02-20 23:56:03,293 INFO L226 Difference]: Without dead ends: 158 [2022-02-20 23:56:03,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 47 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=220, Invalid=878, Unknown=40, NotChecked=268, Total=1406 [2022-02-20 23:56:03,294 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 569 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:03,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 762 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 290 Invalid, 0 Unknown, 569 Unchecked, 0.3s Time] [2022-02-20 23:56:03,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-02-20 23:56:03,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 150. [2022-02-20 23:56:03,296 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:03,297 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,297 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,297 INFO L87 Difference]: Start difference. First operand 158 states. Second operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,299 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2022-02-20 23:56:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 170 transitions. [2022-02-20 23:56:03,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:03,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:03,300 INFO L74 IsIncluded]: Start isIncluded. First operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 158 states. [2022-02-20 23:56:03,301 INFO L87 Difference]: Start difference. First operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 158 states. [2022-02-20 23:56:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,303 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2022-02-20 23:56:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 170 transitions. [2022-02-20 23:56:03,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:03,304 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:03,304 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:03,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.296) internal successors, (162), 149 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 162 transitions. [2022-02-20 23:56:03,306 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 162 transitions. Word has length 30 [2022-02-20 23:56:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:03,307 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 162 transitions. [2022-02-20 23:56:03,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 29 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2022-02-20 23:56:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 23:56:03,308 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:03,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:03,336 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 23:56:03,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-20 23:56:03,522 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:56:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash -472325846, now seen corresponding path program 1 times [2022-02-20 23:56:03,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:03,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493990041] [2022-02-20 23:56:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:03,593 INFO L290 TraceCheckUtils]: 0: Hoare triple {9758#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(14, 2); {9758#true} is VALID [2022-02-20 23:56:03,593 INFO L290 TraceCheckUtils]: 1: Hoare triple {9758#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,593 INFO L290 TraceCheckUtils]: 2: Hoare triple {9758#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {9758#true} is VALID [2022-02-20 23:56:03,593 INFO L290 TraceCheckUtils]: 3: Hoare triple {9758#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 4: Hoare triple {9758#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 5: Hoare triple {9758#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 6: Hoare triple {9758#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 7: Hoare triple {9758#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 8: Hoare triple {9758#true} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {9758#true} is VALID [2022-02-20 23:56:03,594 INFO L290 TraceCheckUtils]: 9: Hoare triple {9758#true} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {9758#true} is VALID [2022-02-20 23:56:03,595 INFO L290 TraceCheckUtils]: 10: Hoare triple {9758#true} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,595 INFO L290 TraceCheckUtils]: 11: Hoare triple {9758#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {9758#true} is VALID [2022-02-20 23:56:03,595 INFO L290 TraceCheckUtils]: 12: Hoare triple {9758#true} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {9758#true} is VALID [2022-02-20 23:56:03,595 INFO L290 TraceCheckUtils]: 13: Hoare triple {9758#true} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,595 INFO L290 TraceCheckUtils]: 14: Hoare triple {9758#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 15: Hoare triple {9758#true} goto; {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 16: Hoare triple {9758#true} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 17: Hoare triple {9758#true} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 18: Hoare triple {9758#true} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 19: Hoare triple {9758#true} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {9758#true} is VALID [2022-02-20 23:56:03,596 INFO L290 TraceCheckUtils]: 20: Hoare triple {9758#true} goto; {9758#true} is VALID [2022-02-20 23:56:03,597 INFO L290 TraceCheckUtils]: 21: Hoare triple {9758#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {9758#true} is VALID [2022-02-20 23:56:03,597 INFO L290 TraceCheckUtils]: 22: Hoare triple {9758#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,598 INFO L290 TraceCheckUtils]: 23: Hoare triple {9758#true} SUMMARY for call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1033-5 {9758#true} is VALID [2022-02-20 23:56:03,598 INFO L290 TraceCheckUtils]: 24: Hoare triple {9758#true} assume !!(2 == main_#t~mem12#1);havoc main_#t~mem12#1; {9758#true} is VALID [2022-02-20 23:56:03,598 INFO L290 TraceCheckUtils]: 25: Hoare triple {9758#true} goto; {9758#true} is VALID [2022-02-20 23:56:03,598 INFO L290 TraceCheckUtils]: 26: Hoare triple {9758#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9758#true} is VALID [2022-02-20 23:56:03,599 INFO L290 TraceCheckUtils]: 27: Hoare triple {9758#true} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1037-3 {9760#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem13#1|)} is VALID [2022-02-20 23:56:03,600 INFO L290 TraceCheckUtils]: 28: Hoare triple {9760#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem13#1|)} assume !(1 != main_#t~mem13#1);havoc main_#t~mem13#1; {9761#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 23:56:03,600 INFO L290 TraceCheckUtils]: 29: Hoare triple {9761#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} SUMMARY for call main_#t~mem15#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1043-4 {9762#(= |ULTIMATE.start_main_#t~mem15#1| 1)} is VALID [2022-02-20 23:56:03,601 INFO L290 TraceCheckUtils]: 30: Hoare triple {9762#(= |ULTIMATE.start_main_#t~mem15#1| 1)} assume !(1 == main_#t~mem15#1);havoc main_#t~mem15#1; {9759#false} is VALID [2022-02-20 23:56:03,601 INFO L290 TraceCheckUtils]: 31: Hoare triple {9759#false} assume !false; {9759#false} is VALID [2022-02-20 23:56:03,601 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 23:56:03,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:03,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493990041] [2022-02-20 23:56:03,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493990041] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:03,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:03,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:56:03,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252873084] [2022-02-20 23:56:03,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:03,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-02-20 23:56:03,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:03,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,626 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:03,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:56:03,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:03,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:56:03,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:56:03,627 INFO L87 Difference]: Start difference. First operand 150 states and 162 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,909 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2022-02-20 23:56:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:56:03,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-02-20 23:56:03,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-20 23:56:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-20 23:56:03,911 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2022-02-20 23:56:03,980 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:03,982 INFO L225 Difference]: With dead ends: 148 [2022-02-20 23:56:03,982 INFO L226 Difference]: Without dead ends: 148 [2022-02-20 23:56:03,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:56:03,983 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:03,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 193 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:56:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-02-20 23:56:03,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-02-20 23:56:03,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:03,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,986 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,986 INFO L87 Difference]: Start difference. First operand 148 states. Second operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,988 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2022-02-20 23:56:03,988 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2022-02-20 23:56:03,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:03,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:03,989 INFO L74 IsIncluded]: Start isIncluded. First operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 148 states. [2022-02-20 23:56:03,989 INFO L87 Difference]: Start difference. First operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 148 states. [2022-02-20 23:56:03,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:03,994 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2022-02-20 23:56:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2022-02-20 23:56:03,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:03,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:03,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:03,995 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 124 states have (on average 1.282258064516129) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions. [2022-02-20 23:56:03,997 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 32 [2022-02-20 23:56:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:03,998 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 159 transitions. [2022-02-20 23:56:03,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2022-02-20 23:56:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:56:03,999 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:03,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:03,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-20 23:56:03,999 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:56:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1755815806, now seen corresponding path program 1 times [2022-02-20 23:56:04,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:04,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501241997] [2022-02-20 23:56:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:04,060 INFO L290 TraceCheckUtils]: 0: Hoare triple {10359#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(14, 2); {10359#true} is VALID [2022-02-20 23:56:04,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {10359#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,062 INFO L290 TraceCheckUtils]: 3: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,067 INFO L290 TraceCheckUtils]: 4: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,068 INFO L290 TraceCheckUtils]: 5: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,068 INFO L290 TraceCheckUtils]: 6: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,069 INFO L290 TraceCheckUtils]: 7: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,069 INFO L290 TraceCheckUtils]: 8: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,069 INFO L290 TraceCheckUtils]: 9: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,070 INFO L290 TraceCheckUtils]: 10: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,070 INFO L290 TraceCheckUtils]: 11: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,071 INFO L290 TraceCheckUtils]: 12: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,071 INFO L290 TraceCheckUtils]: 13: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,072 INFO L290 TraceCheckUtils]: 14: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,072 INFO L290 TraceCheckUtils]: 15: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,072 INFO L290 TraceCheckUtils]: 16: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,073 INFO L290 TraceCheckUtils]: 17: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,073 INFO L290 TraceCheckUtils]: 18: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,074 INFO L290 TraceCheckUtils]: 19: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,074 INFO L290 TraceCheckUtils]: 20: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,075 INFO L290 TraceCheckUtils]: 21: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,075 INFO L290 TraceCheckUtils]: 22: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,075 INFO L290 TraceCheckUtils]: 23: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem12#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1033-5 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,076 INFO L290 TraceCheckUtils]: 24: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(2 == main_#t~mem12#1);havoc main_#t~mem12#1; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,077 INFO L290 TraceCheckUtils]: 25: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,078 INFO L290 TraceCheckUtils]: 26: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10362#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,078 INFO L290 TraceCheckUtils]: 27: Hoare triple {10362#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem13#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1037-3 {10362#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,080 INFO L290 TraceCheckUtils]: 28: Hoare triple {10362#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} assume !!(1 != main_#t~mem13#1);havoc main_#t~mem13#1;main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,083 INFO L290 TraceCheckUtils]: 29: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1040 {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,084 INFO L290 TraceCheckUtils]: 30: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,084 INFO L290 TraceCheckUtils]: 31: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~head~0#1.offset; {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:56:04,085 INFO L290 TraceCheckUtils]: 32: Hoare triple {10361#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~head~0#1.base < #StackHeapBarrier); {10360#false} is VALID [2022-02-20 23:56:04,085 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 23:56:04,085 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:04,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501241997] [2022-02-20 23:56:04,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501241997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:04,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:04,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:56:04,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058265577] [2022-02-20 23:56:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:04,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:04,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:04,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,117 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:04,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:56:04,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:04,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:56:04,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:56:04,118 INFO L87 Difference]: Start difference. First operand 148 states and 159 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:04,337 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2022-02-20 23:56:04,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:56:04,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:04,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2022-02-20 23:56:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2022-02-20 23:56:04,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 135 transitions. [2022-02-20 23:56:04,456 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:04,457 INFO L225 Difference]: With dead ends: 157 [2022-02-20 23:56:04,458 INFO L226 Difference]: Without dead ends: 157 [2022-02-20 23:56:04,458 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 23:56:04,458 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 121 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:04,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 90 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:56:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-02-20 23:56:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 150. [2022-02-20 23:56:04,468 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:04,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 157 states. Second operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,469 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,469 INFO L87 Difference]: Start difference. First operand 157 states. Second operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:04,471 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2022-02-20 23:56:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2022-02-20 23:56:04,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:04,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:04,472 INFO L74 IsIncluded]: Start isIncluded. First operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:56:04,472 INFO L87 Difference]: Start difference. First operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:56:04,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:04,478 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2022-02-20 23:56:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2022-02-20 23:56:04,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:04,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:04,479 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:04,479 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 149 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 161 transitions. [2022-02-20 23:56:04,482 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 161 transitions. Word has length 33 [2022-02-20 23:56:04,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:04,482 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 161 transitions. [2022-02-20 23:56:04,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 161 transitions. [2022-02-20 23:56:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:56:04,483 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:04,483 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:04,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:56:04,484 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:56:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash 416851232, now seen corresponding path program 1 times [2022-02-20 23:56:04,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:04,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925208493] [2022-02-20 23:56:04,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:04,713 INFO L290 TraceCheckUtils]: 0: Hoare triple {10988#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(14, 2); {10988#true} is VALID [2022-02-20 23:56:04,713 INFO L290 TraceCheckUtils]: 1: Hoare triple {10988#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {10988#true} is VALID [2022-02-20 23:56:04,714 INFO L290 TraceCheckUtils]: 2: Hoare triple {10988#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {10990#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:04,714 INFO L290 TraceCheckUtils]: 3: Hoare triple {10990#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {10990#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:04,714 INFO L290 TraceCheckUtils]: 4: Hoare triple {10990#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10991#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,715 INFO L290 TraceCheckUtils]: 5: Hoare triple {10991#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10991#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:04,716 INFO L290 TraceCheckUtils]: 6: Hoare triple {10991#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {10992#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:04,717 INFO L290 TraceCheckUtils]: 7: Hoare triple {10992#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {10993#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:04,718 INFO L290 TraceCheckUtils]: 8: Hoare triple {10993#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10993#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:04,718 INFO L290 TraceCheckUtils]: 9: Hoare triple {10993#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {10994#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:04,719 INFO L290 TraceCheckUtils]: 10: Hoare triple {10994#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,719 INFO L290 TraceCheckUtils]: 11: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,723 INFO L290 TraceCheckUtils]: 12: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,724 INFO L290 TraceCheckUtils]: 13: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} goto; {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,725 INFO L290 TraceCheckUtils]: 14: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,725 INFO L290 TraceCheckUtils]: 15: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,726 INFO L290 TraceCheckUtils]: 16: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {10995#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {10996#(and (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {10996#(and (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {10997#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,729 INFO L290 TraceCheckUtils]: 19: Hoare triple {10997#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {10997#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:04,730 INFO L290 TraceCheckUtils]: 20: Hoare triple {10997#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {10998#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:04,731 INFO L290 TraceCheckUtils]: 21: Hoare triple {10998#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {10999#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,731 INFO L290 TraceCheckUtils]: 22: Hoare triple {10999#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,732 INFO L290 TraceCheckUtils]: 23: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,732 INFO L290 TraceCheckUtils]: 24: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,732 INFO L290 TraceCheckUtils]: 25: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,733 INFO L290 TraceCheckUtils]: 26: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,733 INFO L290 TraceCheckUtils]: 27: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,734 INFO L290 TraceCheckUtils]: 28: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,734 INFO L290 TraceCheckUtils]: 29: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:04,735 INFO L290 TraceCheckUtils]: 30: Hoare triple {11000#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:56:04,735 INFO L290 TraceCheckUtils]: 31: Hoare triple {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:04,736 INFO L290 TraceCheckUtils]: 32: Hoare triple {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {10989#false} is VALID [2022-02-20 23:56:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:04,736 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:04,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925208493] [2022-02-20 23:56:04,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925208493] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:04,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6750940] [2022-02-20 23:56:04,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:04,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:04,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:04,740 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 23:56:04,741 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 23:56:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:04,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-20 23:56:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:04,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:04,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:56:04,994 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:04,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:56:05,066 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 23:56:05,211 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:05,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-02-20 23:56:05,304 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:05,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-02-20 23:56:05,339 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:05,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:56:05,425 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:56:05,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2022-02-20 23:56:05,617 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:56:05,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-02-20 23:56:05,652 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 16 treesize of output 12 [2022-02-20 23:56:05,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:05,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:05,864 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 23:56:05,893 INFO L290 TraceCheckUtils]: 0: Hoare triple {10988#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(14, 2); {10988#true} is VALID [2022-02-20 23:56:05,894 INFO L290 TraceCheckUtils]: 1: Hoare triple {10988#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,895 INFO L290 TraceCheckUtils]: 3: Hoare triple {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,896 INFO L290 TraceCheckUtils]: 4: Hoare triple {11009#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11019#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,896 INFO L290 TraceCheckUtils]: 5: Hoare triple {11019#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11019#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,897 INFO L290 TraceCheckUtils]: 6: Hoare triple {11019#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11026#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:05,898 INFO L290 TraceCheckUtils]: 7: Hoare triple {11026#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {11030#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,898 INFO L290 TraceCheckUtils]: 8: Hoare triple {11030#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11030#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,899 INFO L290 TraceCheckUtils]: 9: Hoare triple {11030#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {11037#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:05,899 INFO L290 TraceCheckUtils]: 10: Hoare triple {11037#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,901 INFO L290 TraceCheckUtils]: 12: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,902 INFO L290 TraceCheckUtils]: 13: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} goto; {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,902 INFO L290 TraceCheckUtils]: 14: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,903 INFO L290 TraceCheckUtils]: 15: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,904 INFO L290 TraceCheckUtils]: 16: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,904 INFO L290 TraceCheckUtils]: 17: Hoare triple {11041#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {11063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,905 INFO L290 TraceCheckUtils]: 18: Hoare triple {11063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {11067#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,906 INFO L290 TraceCheckUtils]: 19: Hoare triple {11067#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {11067#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:05,907 INFO L290 TraceCheckUtils]: 20: Hoare triple {11067#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {11074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:05,908 INFO L290 TraceCheckUtils]: 21: Hoare triple {11074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {11078#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:05,909 INFO L290 TraceCheckUtils]: 22: Hoare triple {11078#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,909 INFO L290 TraceCheckUtils]: 23: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,910 INFO L290 TraceCheckUtils]: 24: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,910 INFO L290 TraceCheckUtils]: 25: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,911 INFO L290 TraceCheckUtils]: 26: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,911 INFO L290 TraceCheckUtils]: 27: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,912 INFO L290 TraceCheckUtils]: 28: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,912 INFO L290 TraceCheckUtils]: 29: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:05,913 INFO L290 TraceCheckUtils]: 30: Hoare triple {11082#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:56:05,914 INFO L290 TraceCheckUtils]: 31: Hoare triple {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:05,914 INFO L290 TraceCheckUtils]: 32: Hoare triple {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {10989#false} is VALID [2022-02-20 23:56:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:05,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:06,550 INFO L356 Elim1Store]: treesize reduction 5, result has 78.3 percent of original size [2022-02-20 23:56:06,551 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 26 [2022-02-20 23:56:06,616 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) |c_ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_645) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |c_ULTIMATE.start_main_~x~0#1.base|))) is different from false [2022-02-20 23:56:07,058 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:07,058 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-20 23:56:07,162 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (let ((.cse0 (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|))) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) .cse0 v_ArrVal_645) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |c_ULTIMATE.start_main_~x~0#1.base|) (not (= (select |c_#valid| .cse0) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:56:08,090 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (let ((.cse0 (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|))) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (= (select |c_#valid| .cse0) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= |c_ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_2) .cse0 v_ArrVal_645) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|))))) is different from false [2022-02-20 23:56:08,266 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_645 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_56| Int)) (let ((.cse1 (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|))) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_arrayElimArr_2) .cse1 v_ArrVal_645) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| .cse1) 0))))) is different from false [2022-02-20 23:56:08,546 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:08,547 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 23 treesize of output 24 [2022-02-20 23:56:08,588 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:08,588 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 68 treesize of output 71 [2022-02-20 23:56:08,626 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 56 treesize of output 52 [2022-02-20 23:56:08,663 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:08,663 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 60 treesize of output 56 [2022-02-20 23:56:08,703 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:56:08,704 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 13 treesize of output 12 [2022-02-20 23:56:09,310 INFO L290 TraceCheckUtils]: 32: Hoare triple {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {10989#false} is VALID [2022-02-20 23:56:09,311 INFO L290 TraceCheckUtils]: 31: Hoare triple {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {11002#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:09,312 INFO L290 TraceCheckUtils]: 30: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {11001#(= (select |#valid| |ULTIMATE.start_main_#t~mem11#1.base|) 1)} is VALID [2022-02-20 23:56:09,312 INFO L290 TraceCheckUtils]: 29: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,312 INFO L290 TraceCheckUtils]: 28: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,313 INFO L290 TraceCheckUtils]: 27: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,323 INFO L290 TraceCheckUtils]: 26: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,324 INFO L290 TraceCheckUtils]: 25: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,324 INFO L290 TraceCheckUtils]: 24: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,325 INFO L290 TraceCheckUtils]: 23: Hoare triple {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,326 INFO L290 TraceCheckUtils]: 22: Hoare triple {11144#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11119#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:09,327 INFO L290 TraceCheckUtils]: 21: Hoare triple {11148#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {11144#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} is VALID [2022-02-20 23:56:09,328 INFO L290 TraceCheckUtils]: 20: Hoare triple {11152#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {11148#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:09,329 INFO L290 TraceCheckUtils]: 19: Hoare triple {11152#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {11152#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} is VALID [2022-02-20 23:56:09,332 WARN L290 TraceCheckUtils]: 18: Hoare triple {11159#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|))))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {11152#(forall ((v_ArrVal_645 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) 1)))} is UNKNOWN [2022-02-20 23:56:09,335 WARN L290 TraceCheckUtils]: 17: Hoare triple {11163#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_9| Int)) (or (forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_9| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_9|) 0))))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {11159#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|))))} is UNKNOWN [2022-02-20 23:56:09,337 INFO L290 TraceCheckUtils]: 16: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {11163#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_9| Int)) (or (forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_9| v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_9|) 0))))} is VALID [2022-02-20 23:56:09,338 INFO L290 TraceCheckUtils]: 15: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,339 INFO L290 TraceCheckUtils]: 14: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,340 INFO L290 TraceCheckUtils]: 13: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} goto; {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,340 INFO L290 TraceCheckUtils]: 12: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,343 WARN L290 TraceCheckUtils]: 11: Hoare triple {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is UNKNOWN [2022-02-20 23:56:09,344 INFO L290 TraceCheckUtils]: 10: Hoare triple {11186#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_#t~mem4#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11167#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,346 INFO L290 TraceCheckUtils]: 9: Hoare triple {11190#(forall ((v_ArrVal_645 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_56| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (= (select |#valid| (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_2) (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {11186#(forall ((v_ArrVal_645 (Array Int Int)) (|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_2) (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) |ULTIMATE.start_main_#t~mem4#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_2 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 23:56:09,347 INFO L290 TraceCheckUtils]: 8: Hoare triple {11190#(forall ((v_ArrVal_645 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_56| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (= (select |#valid| (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_2) (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11190#(forall ((v_ArrVal_645 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_56| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (= (select |#valid| (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_2) (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {11197#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {11190#(forall ((v_ArrVal_645 (Array Int Int)) (v_arrayElimArr_2 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_54| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_56| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (not (= (select |#valid| (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_2) (select v_arrayElimArr_2 |v_ULTIMATE.start_main_~x~0#1.offset_56|) v_ArrVal_645) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,350 INFO L290 TraceCheckUtils]: 6: Hoare triple {11201#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11197#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:09,351 INFO L290 TraceCheckUtils]: 5: Hoare triple {11201#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11201#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:56:09,353 INFO L290 TraceCheckUtils]: 4: Hoare triple {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11201#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:56:09,357 INFO L290 TraceCheckUtils]: 3: Hoare triple {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:56:09,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:56:09,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {10988#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11208#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:56:09,359 INFO L290 TraceCheckUtils]: 0: Hoare triple {10988#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(14, 2); {10988#true} is VALID [2022-02-20 23:56:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 23:56:09,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6750940] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:09,360 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:09,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 37 [2022-02-20 23:56:09,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966554767] [2022-02-20 23:56:09,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:09,362 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:09,362 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:09,363 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 87 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:09,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-20 23:56:09,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:09,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-20 23:56:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1004, Unknown=7, NotChecked=268, Total=1406 [2022-02-20 23:56:09,470 INFO L87 Difference]: Start difference. First operand 150 states and 161 transitions. Second operand has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:13,094 INFO L93 Difference]: Finished difference Result 233 states and 243 transitions. [2022-02-20 23:56:13,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-20 23:56:13,094 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:13,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 230 transitions. [2022-02-20 23:56:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 230 transitions. [2022-02-20 23:56:13,098 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 230 transitions. [2022-02-20 23:56:13,310 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 230 edges. 230 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:13,313 INFO L225 Difference]: With dead ends: 233 [2022-02-20 23:56:13,314 INFO L226 Difference]: Without dead ends: 233 [2022-02-20 23:56:13,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=360, Invalid=2097, Unknown=9, NotChecked=396, Total=2862 [2022-02-20 23:56:13,315 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 528 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1040 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:13,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 1085 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1309 Invalid, 0 Unknown, 1040 Unchecked, 1.1s Time] [2022-02-20 23:56:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-02-20 23:56:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 156. [2022-02-20 23:56:13,318 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:13,319 INFO L82 GeneralOperation]: Start isEquivalent. First operand 233 states. Second operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,319 INFO L74 IsIncluded]: Start isIncluded. First operand 233 states. Second operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,319 INFO L87 Difference]: Start difference. First operand 233 states. Second operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:13,323 INFO L93 Difference]: Finished difference Result 233 states and 243 transitions. [2022-02-20 23:56:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 243 transitions. [2022-02-20 23:56:13,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:13,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:13,324 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 233 states. [2022-02-20 23:56:13,324 INFO L87 Difference]: Start difference. First operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 233 states. [2022-02-20 23:56:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:13,328 INFO L93 Difference]: Finished difference Result 233 states and 243 transitions. [2022-02-20 23:56:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 243 transitions. [2022-02-20 23:56:13,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:13,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:13,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:13,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 155 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2022-02-20 23:56:13,332 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 33 [2022-02-20 23:56:13,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:13,333 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2022-02-20 23:56:13,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2022-02-20 23:56:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:56:13,334 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:13,334 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:13,366 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 23:56:13,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:13,549 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:56:13,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:13,550 INFO L85 PathProgramCache]: Analyzing trace with hash 416851233, now seen corresponding path program 1 times [2022-02-20 23:56:13,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:13,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002959473] [2022-02-20 23:56:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:13,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:13,858 INFO L290 TraceCheckUtils]: 0: Hoare triple {12113#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(14, 2); {12113#true} is VALID [2022-02-20 23:56:13,859 INFO L290 TraceCheckUtils]: 1: Hoare triple {12113#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12113#true} is VALID [2022-02-20 23:56:13,859 INFO L290 TraceCheckUtils]: 2: Hoare triple {12113#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {12115#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:13,859 INFO L290 TraceCheckUtils]: 3: Hoare triple {12115#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {12115#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:13,860 INFO L290 TraceCheckUtils]: 4: Hoare triple {12115#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12116#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:13,860 INFO L290 TraceCheckUtils]: 5: Hoare triple {12116#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12116#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:13,861 INFO L290 TraceCheckUtils]: 6: Hoare triple {12116#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12117#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} is VALID [2022-02-20 23:56:13,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {12117#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {12118#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:56:13,862 INFO L290 TraceCheckUtils]: 8: Hoare triple {12118#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12118#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:56:13,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {12118#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {12119#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,863 INFO L290 TraceCheckUtils]: 10: Hoare triple {12119#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,864 INFO L290 TraceCheckUtils]: 11: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,865 INFO L290 TraceCheckUtils]: 12: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,865 INFO L290 TraceCheckUtils]: 13: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,866 INFO L290 TraceCheckUtils]: 14: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,866 INFO L290 TraceCheckUtils]: 15: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,867 INFO L290 TraceCheckUtils]: 16: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,868 INFO L290 TraceCheckUtils]: 17: Hoare triple {12120#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {12121#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,869 INFO L290 TraceCheckUtils]: 18: Hoare triple {12121#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {12122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,869 INFO L290 TraceCheckUtils]: 19: Hoare triple {12122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {12122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,870 INFO L290 TraceCheckUtils]: 20: Hoare triple {12122#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {12123#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,870 INFO L290 TraceCheckUtils]: 21: Hoare triple {12123#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {12124#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,871 INFO L290 TraceCheckUtils]: 22: Hoare triple {12124#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,871 INFO L290 TraceCheckUtils]: 23: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,872 INFO L290 TraceCheckUtils]: 24: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,872 INFO L290 TraceCheckUtils]: 25: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,872 INFO L290 TraceCheckUtils]: 26: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,873 INFO L290 TraceCheckUtils]: 27: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,873 INFO L290 TraceCheckUtils]: 28: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,874 INFO L290 TraceCheckUtils]: 29: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:13,875 INFO L290 TraceCheckUtils]: 30: Hoare triple {12125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {12126#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)))} is VALID [2022-02-20 23:56:13,876 INFO L290 TraceCheckUtils]: 31: Hoare triple {12126#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {12127#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:13,876 INFO L290 TraceCheckUtils]: 32: Hoare triple {12127#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {12114#false} is VALID [2022-02-20 23:56:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:13,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:13,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002959473] [2022-02-20 23:56:13,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002959473] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:13,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943375160] [2022-02-20 23:56:13,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:13,884 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 23:56:13,920 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 23:56:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:14,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-20 23:56:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:14,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:14,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:56:14,160 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:56:14,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:56:14,241 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 23:56:14,263 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 23:56:14,477 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:14,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:56:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:14,493 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 14 treesize of output 16 [2022-02-20 23:56:14,664 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:14,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:56:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:14,680 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 14 treesize of output 16 [2022-02-20 23:56:14,722 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 23:56:14,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 23:56:14,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:56:14,862 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:56:14,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2022-02-20 23:56:14,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:56:15,178 INFO L356 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-20 23:56:15,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 63 [2022-02-20 23:56:15,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-02-20 23:56:16,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:16,342 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 23:56:16,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 55 treesize of output 26 [2022-02-20 23:56:16,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:16,518 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 23:56:16,559 INFO L290 TraceCheckUtils]: 0: Hoare triple {12113#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(14, 2); {12113#true} is VALID [2022-02-20 23:56:16,560 INFO L290 TraceCheckUtils]: 1: Hoare triple {12113#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,561 INFO L290 TraceCheckUtils]: 2: Hoare triple {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,562 INFO L290 TraceCheckUtils]: 3: Hoare triple {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,562 INFO L290 TraceCheckUtils]: 4: Hoare triple {12134#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12144#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,563 INFO L290 TraceCheckUtils]: 5: Hoare triple {12144#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12144#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,564 INFO L290 TraceCheckUtils]: 6: Hoare triple {12144#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12151#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:16,565 INFO L290 TraceCheckUtils]: 7: Hoare triple {12151#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {12155#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:16,565 INFO L290 TraceCheckUtils]: 8: Hoare triple {12155#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12155#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:16,566 INFO L290 TraceCheckUtils]: 9: Hoare triple {12155#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {12162#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,567 INFO L290 TraceCheckUtils]: 10: Hoare triple {12162#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12166#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,568 INFO L290 TraceCheckUtils]: 11: Hoare triple {12166#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,569 INFO L290 TraceCheckUtils]: 12: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,570 INFO L290 TraceCheckUtils]: 14: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,571 INFO L290 TraceCheckUtils]: 15: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,572 INFO L290 TraceCheckUtils]: 16: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,573 INFO L290 TraceCheckUtils]: 17: Hoare triple {12170#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {12189#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,594 INFO L290 TraceCheckUtils]: 18: Hoare triple {12189#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {12193#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,595 INFO L290 TraceCheckUtils]: 19: Hoare triple {12193#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {12193#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,596 INFO L290 TraceCheckUtils]: 20: Hoare triple {12193#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {12200#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:16,598 INFO L290 TraceCheckUtils]: 21: Hoare triple {12200#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {12204#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:56:16,599 INFO L290 TraceCheckUtils]: 22: Hoare triple {12204#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,600 INFO L290 TraceCheckUtils]: 23: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,601 INFO L290 TraceCheckUtils]: 24: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,602 INFO L290 TraceCheckUtils]: 25: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,603 INFO L290 TraceCheckUtils]: 26: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,604 INFO L290 TraceCheckUtils]: 27: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,605 INFO L290 TraceCheckUtils]: 28: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,605 INFO L290 TraceCheckUtils]: 29: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:16,606 INFO L290 TraceCheckUtils]: 30: Hoare triple {12208#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (and (<= (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) |v_ULTIMATE.start_main_~x~0#1.offset_59|))))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {12126#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)))} is VALID [2022-02-20 23:56:16,607 INFO L290 TraceCheckUtils]: 31: Hoare triple {12126#(and (= |ULTIMATE.start_main_#t~mem11#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {12127#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:16,607 INFO L290 TraceCheckUtils]: 32: Hoare triple {12127#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {12114#false} is VALID [2022-02-20 23:56:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:16,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:18,498 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:18,499 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 53 [2022-02-20 23:56:18,587 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 26 treesize of output 22 [2022-02-20 23:56:18,748 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 26 treesize of output 22 [2022-02-20 23:56:19,045 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 26 treesize of output 22 [2022-02-20 23:56:19,285 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 26 treesize of output 22 [2022-02-20 23:56:19,576 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 26 treesize of output 22 [2022-02-20 23:56:19,801 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 26 treesize of output 22 [2022-02-20 23:56:20,040 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 26 treesize of output 22 [2022-02-20 23:56:20,225 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 26 treesize of output 22 [2022-02-20 23:56:20,533 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 26 treesize of output 22 [2022-02-20 23:56:20,738 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 26 treesize of output 22 [2022-02-20 23:56:21,019 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 26 treesize of output 22 [2022-02-20 23:56:21,293 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:21,293 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 113 treesize of output 117 [2022-02-20 23:56:21,586 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 24 treesize of output 20 [2022-02-20 23:56:21,608 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 26 treesize of output 22 [2022-02-20 23:56:21,652 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 24 treesize of output 20 [2022-02-20 23:56:21,669 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 26 treesize of output 22 [2022-02-20 23:56:21,714 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 26 treesize of output 22 [2022-02-20 23:56:21,764 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 24 treesize of output 20 [2022-02-20 23:56:21,940 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 24 treesize of output 20 [2022-02-20 23:56:21,958 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 26 treesize of output 22 [2022-02-20 23:56:22,001 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 24 treesize of output 20 [2022-02-20 23:56:22,018 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 26 treesize of output 22 [2022-02-20 23:56:22,068 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 26 treesize of output 22 [2022-02-20 23:56:22,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-02-20 23:56:22,319 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 26 treesize of output 22 [2022-02-20 23:56:22,540 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 24 treesize of output 20 [2022-02-20 23:56:22,737 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |c_#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |c_ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_756 (Array Int Int))) (not (let ((.cse0 (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) .cse0 v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) is different from false [2022-02-20 23:56:22,892 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 26 treesize of output 22 [2022-02-20 23:56:22,916 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 24 treesize of output 20 [2022-02-20 23:56:22,968 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 26 treesize of output 22 [2022-02-20 23:56:22,986 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 24 treesize of output 20 [2022-02-20 23:56:23,052 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 26 treesize of output 22 [2022-02-20 23:56:23,096 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 24 treesize of output 20 [2022-02-20 23:56:23,314 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 26 treesize of output 22 [2022-02-20 23:56:23,508 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 24 treesize of output 20 [2022-02-20 23:56:23,770 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |c_#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |c_ULTIMATE.start_main_#t~mem4#1.base|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (not (let ((.cse0 (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) .cse0 v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) .cse0))))))) is different from false [2022-02-20 23:56:23,923 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 30 treesize of output 26 [2022-02-20 23:56:23,943 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 28 treesize of output 24 [2022-02-20 23:56:24,110 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 30 treesize of output 26 [2022-02-20 23:56:24,136 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 28 treesize of output 24 [2022-02-20 23:56:24,188 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 28 treesize of output 24 [2022-02-20 23:56:24,257 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 30 treesize of output 26 [2022-02-20 23:56:24,333 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 28 treesize of output 24 [2022-02-20 23:56:24,448 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 30 treesize of output 26 [2022-02-20 23:56:24,770 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_63| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_754) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_757) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |v_ULTIMATE.start_main_~x~0#1.offset_63|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_prenex_2) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_prenex_3) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_756 (Array Int Int))) (not (let ((.cse0 (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) .cse0 v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (forall ((v_ArrVal_756 (Array Int Int))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (= .cse1 (select (select (store (store |c_#memory_$Pointer$.base| .cse1 v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_63|)))) is different from false [2022-02-20 23:56:24,866 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 30 treesize of output 26 [2022-02-20 23:56:24,884 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 28 treesize of output 24 [2022-02-20 23:56:25,020 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 30 treesize of output 26 [2022-02-20 23:56:25,047 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 28 treesize of output 24 [2022-02-20 23:56:25,099 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 28 treesize of output 24 [2022-02-20 23:56:25,155 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 30 treesize of output 26 [2022-02-20 23:56:25,225 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 28 treesize of output 24 [2022-02-20 23:56:25,348 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 30 treesize of output 26 [2022-02-20 23:56:25,762 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:25,763 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 98 treesize of output 91 [2022-02-20 23:56:25,793 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:25,793 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 91 treesize of output 83 [2022-02-20 23:56:25,845 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:25,845 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 245 treesize of output 240 [2022-02-20 23:56:25,916 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:25,917 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 338 treesize of output 337 [2022-02-20 23:56:25,967 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:25,967 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 345 treesize of output 303 [2022-02-20 23:56:26,052 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 258 treesize of output 250 [2022-02-20 23:56:26,099 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 250 treesize of output 246 [2022-02-20 23:56:26,143 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 246 treesize of output 242 [2022-02-20 23:56:26,193 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 242 treesize of output 240 [2022-02-20 23:56:26,247 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 240 treesize of output 236 [2022-02-20 23:56:26,308 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 236 treesize of output 232 [2022-02-20 23:56:27,825 INFO L290 TraceCheckUtils]: 32: Hoare triple {12239#(and (<= 0 (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {12114#false} is VALID [2022-02-20 23:56:27,826 INFO L290 TraceCheckUtils]: 31: Hoare triple {12243#(and (<= (+ |ULTIMATE.start_main_#t~mem11#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) (<= 0 (+ |ULTIMATE.start_main_#t~mem11#1.offset| 4)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset; {12239#(and (<= 0 (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:56:27,827 INFO L290 TraceCheckUtils]: 30: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1031-5 {12243#(and (<= (+ |ULTIMATE.start_main_#t~mem11#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem11#1.base|)) (<= 0 (+ |ULTIMATE.start_main_#t~mem11#1.offset| 4)))} is VALID [2022-02-20 23:56:27,828 INFO L290 TraceCheckUtils]: 29: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} goto; {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,829 INFO L290 TraceCheckUtils]: 28: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !!(1 == main_#t~mem10#1);havoc main_#t~mem10#1; {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,830 INFO L290 TraceCheckUtils]: 27: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1031-4 {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,831 INFO L290 TraceCheckUtils]: 26: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,832 INFO L290 TraceCheckUtils]: 25: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,833 INFO L290 TraceCheckUtils]: 24: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} goto; {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,834 INFO L290 TraceCheckUtils]: 23: Hoare triple {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,835 INFO L290 TraceCheckUtils]: 22: Hoare triple {12272#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12247#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:56:27,838 INFO L290 TraceCheckUtils]: 21: Hoare triple {12276#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {12272#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))))} is VALID [2022-02-20 23:56:27,840 INFO L290 TraceCheckUtils]: 20: Hoare triple {12280#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {12276#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} is VALID [2022-02-20 23:56:27,842 INFO L290 TraceCheckUtils]: 19: Hoare triple {12280#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {12280#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} is VALID [2022-02-20 23:56:27,846 INFO L290 TraceCheckUtils]: 18: Hoare triple {12287#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)))))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {12280#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} is VALID [2022-02-20 23:56:27,852 WARN L290 TraceCheckUtils]: 17: Hoare triple {12291#(or (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_#t~malloc5#1.base_12| Int)) (or (and (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= 0 (+ 4 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_12|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {12287#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 8) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)))))} is UNKNOWN [2022-02-20 23:56:27,858 WARN L290 TraceCheckUtils]: 16: Hoare triple {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {12291#(or (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_#t~malloc5#1.base_12| Int)) (or (and (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= 0 (+ 4 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) |v_ULTIMATE.start_main_#t~malloc5#1.base_12| v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_12|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)))} is UNKNOWN [2022-02-20 23:56:27,867 WARN L290 TraceCheckUtils]: 15: Hoare triple {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} is UNKNOWN [2022-02-20 23:56:27,870 WARN L290 TraceCheckUtils]: 14: Hoare triple {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} is UNKNOWN [2022-02-20 23:56:27,877 WARN L290 TraceCheckUtils]: 13: Hoare triple {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} goto; {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} is UNKNOWN [2022-02-20 23:56:27,880 WARN L290 TraceCheckUtils]: 12: Hoare triple {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} is UNKNOWN [2022-02-20 23:56:27,884 WARN L290 TraceCheckUtils]: 11: Hoare triple {12311#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {12295#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_752 Int) (v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int)) (v_ArrVal_756 (Array Int Int))) (<= (+ 8 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (select (store |#length| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_752) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))))))} is UNKNOWN [2022-02-20 23:56:27,888 WARN L290 TraceCheckUtils]: 10: Hoare triple {12315#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12311#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))))) (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} is UNKNOWN [2022-02-20 23:56:27,892 WARN L290 TraceCheckUtils]: 9: Hoare triple {12319#(forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_63| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_2) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_754) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |v_ULTIMATE.start_main_~x~0#1.offset_63|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_63|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {12315#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int)) (or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_4) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_754) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_prenex_2) (select v_arrayElimArr_4 |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4)))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|))))} is UNKNOWN [2022-02-20 23:56:27,895 WARN L290 TraceCheckUtils]: 8: Hoare triple {12319#(forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_63| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_2) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_754) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |v_ULTIMATE.start_main_~x~0#1.offset_63|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_63|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12319#(forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_63| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_2) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_754) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |v_ULTIMATE.start_main_~x~0#1.offset_63|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_63|))))} is UNKNOWN [2022-02-20 23:56:27,896 INFO L290 TraceCheckUtils]: 7: Hoare triple {12326#(or (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)) (forall ((v_arrayElimCell_112 Int)) (or (not (= (select |#valid| v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_112)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {12319#(forall ((v_arrayElimArr_4 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_61| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_63| Int)) (or (and (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_prenex_2) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_prenex_3) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) 4))) (forall ((v_ArrVal_756 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)))) (forall ((v_ArrVal_756 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_4) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_756) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (forall ((v_ArrVal_754 (Array Int Int)) (v_ArrVal_757 (Array Int Int))) (<= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_754) (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|) v_ArrVal_757) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_61|) |v_ULTIMATE.start_main_~x~0#1.offset_63|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_61| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_4 |v_ULTIMATE.start_main_~x~0#1.offset_63|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_61|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_63|))))} is VALID [2022-02-20 23:56:27,898 INFO L290 TraceCheckUtils]: 6: Hoare triple {12330#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12326#(or (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)) (forall ((v_arrayElimCell_112 Int)) (or (not (= (select |#valid| v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_112)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))))} is VALID [2022-02-20 23:56:27,899 INFO L290 TraceCheckUtils]: 5: Hoare triple {12330#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12330#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:27,899 INFO L290 TraceCheckUtils]: 4: Hoare triple {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12330#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~x~0#1.base|) 1)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:27,900 INFO L290 TraceCheckUtils]: 3: Hoare triple {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:27,901 INFO L290 TraceCheckUtils]: 2: Hoare triple {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:27,902 INFO L290 TraceCheckUtils]: 1: Hoare triple {12113#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12337#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (v_arrayElimCell_112 Int)) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) |ULTIMATE.start_main_~head~0#1.base|) 1)) (not (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12| 1) v_arrayElimCell_112) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:27,902 INFO L290 TraceCheckUtils]: 0: Hoare triple {12113#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(14, 2); {12113#true} is VALID [2022-02-20 23:56:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:27,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943375160] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:27,903 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:27,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 16] total 41 [2022-02-20 23:56:27,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113455623] [2022-02-20 23:56:27,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:27,904 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:27,904 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:27,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:28,032 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 85 inductive. 0 not inductive. 10 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:28,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-20 23:56:28,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-20 23:56:28,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1340, Unknown=10, NotChecked=228, Total=1722 [2022-02-20 23:56:28,036 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:32,631 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:56:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-20 23:56:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 134 transitions. [2022-02-20 23:56:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 134 transitions. [2022-02-20 23:56:32,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 134 transitions. [2022-02-20 23:56:32,750 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 134 edges. 134 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:32,751 INFO L225 Difference]: With dead ends: 162 [2022-02-20 23:56:32,751 INFO L226 Difference]: Without dead ends: 162 [2022-02-20 23:56:32,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=304, Invalid=2444, Unknown=20, NotChecked=312, Total=3080 [2022-02-20 23:56:32,753 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 121 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 958 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:32,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 977 Invalid, 1691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 707 Invalid, 0 Unknown, 958 Unchecked, 0.5s Time] [2022-02-20 23:56:32,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-02-20 23:56:32,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2022-02-20 23:56:32,755 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:32,756 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,756 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,756 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:32,758 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:56:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:56:32,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:32,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:32,759 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:56:32,760 INFO L87 Difference]: Start difference. First operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:56:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:32,762 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:56:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:56:32,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:32,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:32,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:32,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 152 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 164 transitions. [2022-02-20 23:56:32,765 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 164 transitions. Word has length 33 [2022-02-20 23:56:32,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:32,765 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 164 transitions. [2022-02-20 23:56:32,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 2.317073170731707) internal successors, (95), 42 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2022-02-20 23:56:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:56:32,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:32,766 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:32,791 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 23:56:32,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:32,989 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:56:32,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1393105246, now seen corresponding path program 1 times [2022-02-20 23:56:32,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:32,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712050301] [2022-02-20 23:56:32,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:33,241 INFO L290 TraceCheckUtils]: 0: Hoare triple {13019#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(14, 2); {13019#true} is VALID [2022-02-20 23:56:33,241 INFO L290 TraceCheckUtils]: 1: Hoare triple {13019#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13019#true} is VALID [2022-02-20 23:56:33,242 INFO L290 TraceCheckUtils]: 2: Hoare triple {13019#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {13021#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:33,242 INFO L290 TraceCheckUtils]: 3: Hoare triple {13021#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {13021#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:33,242 INFO L290 TraceCheckUtils]: 4: Hoare triple {13021#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13022#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:33,243 INFO L290 TraceCheckUtils]: 5: Hoare triple {13022#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13022#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:33,243 INFO L290 TraceCheckUtils]: 6: Hoare triple {13022#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {13023#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:33,244 INFO L290 TraceCheckUtils]: 7: Hoare triple {13023#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {13024#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:33,244 INFO L290 TraceCheckUtils]: 8: Hoare triple {13024#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13024#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:33,245 INFO L290 TraceCheckUtils]: 9: Hoare triple {13024#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {13025#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:33,245 INFO L290 TraceCheckUtils]: 10: Hoare triple {13025#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,246 INFO L290 TraceCheckUtils]: 11: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,246 INFO L290 TraceCheckUtils]: 12: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,247 INFO L290 TraceCheckUtils]: 13: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} goto; {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,247 INFO L290 TraceCheckUtils]: 14: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,248 INFO L290 TraceCheckUtils]: 15: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,248 INFO L290 TraceCheckUtils]: 16: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,249 INFO L290 TraceCheckUtils]: 17: Hoare triple {13026#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {13027#(and (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,250 INFO L290 TraceCheckUtils]: 18: Hoare triple {13027#(and (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {13028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,250 INFO L290 TraceCheckUtils]: 19: Hoare triple {13028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {13028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:33,251 INFO L290 TraceCheckUtils]: 20: Hoare triple {13028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {13029#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:33,251 INFO L290 TraceCheckUtils]: 21: Hoare triple {13029#(and (not (= |ULTIMATE.start_main_#t~mem6#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {13030#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,252 INFO L290 TraceCheckUtils]: 22: Hoare triple {13030#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,252 INFO L290 TraceCheckUtils]: 23: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,252 INFO L290 TraceCheckUtils]: 24: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,253 INFO L290 TraceCheckUtils]: 25: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,253 INFO L290 TraceCheckUtils]: 26: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {13032#(or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:33,253 INFO L290 TraceCheckUtils]: 27: Hoare triple {13032#(or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {13033#(or (not (= |ULTIMATE.start_main_#t~mem8#1| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:33,254 INFO L290 TraceCheckUtils]: 28: Hoare triple {13033#(or (not (= |ULTIMATE.start_main_#t~mem8#1| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,254 INFO L290 TraceCheckUtils]: 29: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:33,255 INFO L290 TraceCheckUtils]: 30: Hoare triple {13031#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1028-6 {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} is VALID [2022-02-20 23:56:33,255 INFO L290 TraceCheckUtils]: 31: Hoare triple {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:33,255 INFO L290 TraceCheckUtils]: 32: Hoare triple {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {13020#false} is VALID [2022-02-20 23:56:33,256 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 23:56:33,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:33,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712050301] [2022-02-20 23:56:33,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712050301] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:33,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118914678] [2022-02-20 23:56:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:33,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:33,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:33,257 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 23:56:33,258 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 23:56:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:33,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-20 23:56:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:33,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:33,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:56:33,475 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:33,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:56:33,541 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 23:56:33,681 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:33,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-02-20 23:56:33,746 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:33,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-02-20 23:56:33,766 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:33,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:56:33,827 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:56:33,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2022-02-20 23:56:33,963 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:56:33,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-02-20 23:56:33,977 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 16 treesize of output 12 [2022-02-20 23:56:34,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:34,174 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:34,174 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 23:56:34,199 INFO L290 TraceCheckUtils]: 0: Hoare triple {13019#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(14, 2); {13019#true} is VALID [2022-02-20 23:56:34,200 INFO L290 TraceCheckUtils]: 1: Hoare triple {13019#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,201 INFO L290 TraceCheckUtils]: 2: Hoare triple {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,203 INFO L290 TraceCheckUtils]: 3: Hoare triple {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,204 INFO L290 TraceCheckUtils]: 4: Hoare triple {13042#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13052#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,204 INFO L290 TraceCheckUtils]: 5: Hoare triple {13052#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13052#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {13052#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {13059#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:34,205 INFO L290 TraceCheckUtils]: 7: Hoare triple {13059#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {13063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,206 INFO L290 TraceCheckUtils]: 8: Hoare triple {13063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,206 INFO L290 TraceCheckUtils]: 9: Hoare triple {13063#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {13070#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:34,207 INFO L290 TraceCheckUtils]: 10: Hoare triple {13070#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,207 INFO L290 TraceCheckUtils]: 11: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,209 INFO L290 TraceCheckUtils]: 12: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,209 INFO L290 TraceCheckUtils]: 13: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} goto; {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,210 INFO L290 TraceCheckUtils]: 14: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,210 INFO L290 TraceCheckUtils]: 15: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,211 INFO L290 TraceCheckUtils]: 16: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,211 INFO L290 TraceCheckUtils]: 17: Hoare triple {13074#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {13096#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,212 INFO L290 TraceCheckUtils]: 18: Hoare triple {13096#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {13100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,213 INFO L290 TraceCheckUtils]: 19: Hoare triple {13100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {13100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:34,213 INFO L290 TraceCheckUtils]: 20: Hoare triple {13100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {13107#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:34,214 INFO L290 TraceCheckUtils]: 21: Hoare triple {13107#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {13111#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:34,215 INFO L290 TraceCheckUtils]: 22: Hoare triple {13111#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,215 INFO L290 TraceCheckUtils]: 23: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,216 INFO L290 TraceCheckUtils]: 24: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,216 INFO L290 TraceCheckUtils]: 25: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,216 INFO L290 TraceCheckUtils]: 26: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,217 INFO L290 TraceCheckUtils]: 27: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,217 INFO L290 TraceCheckUtils]: 28: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,218 INFO L290 TraceCheckUtils]: 29: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:34,218 INFO L290 TraceCheckUtils]: 30: Hoare triple {13115#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1028-6 {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} is VALID [2022-02-20 23:56:34,219 INFO L290 TraceCheckUtils]: 31: Hoare triple {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:34,219 INFO L290 TraceCheckUtils]: 32: Hoare triple {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {13020#false} is VALID [2022-02-20 23:56:34,219 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 23:56:34,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:34,766 INFO L356 Elim1Store]: treesize reduction 5, result has 78.3 percent of original size [2022-02-20 23:56:34,766 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 26 [2022-02-20 23:56:34,834 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_#t~malloc5#1.base|)) |c_ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_861) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |c_ULTIMATE.start_main_~x~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:56:35,248 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:35,248 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-20 23:56:35,346 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (let ((.cse0 (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse0) 0)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) .cse0 v_ArrVal_861) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |c_ULTIMATE.start_main_~x~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:56:36,165 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (let ((.cse0 (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse0) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) .cse0 v_ArrVal_861) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |c_ULTIMATE.start_main_#t~mem4#1.base|)))) is different from false [2022-02-20 23:56:36,341 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (let ((.cse1 (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (or (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_arrayElimArr_7) .cse1 v_ArrVal_861) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| .cse1) 0))))) is different from false [2022-02-20 23:56:36,592 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:36,592 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 23 treesize of output 24 [2022-02-20 23:56:36,623 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:36,624 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 71 [2022-02-20 23:56:36,662 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 56 treesize of output 52 [2022-02-20 23:56:36,693 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:36,694 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 60 treesize of output 56 [2022-02-20 23:56:36,732 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:56:36,733 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 13 treesize of output 12 [2022-02-20 23:56:37,221 INFO L290 TraceCheckUtils]: 32: Hoare triple {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {13020#false} is VALID [2022-02-20 23:56:37,222 INFO L290 TraceCheckUtils]: 31: Hoare triple {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {13035#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:37,222 INFO L290 TraceCheckUtils]: 30: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1028-6 {13034#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} is VALID [2022-02-20 23:56:37,222 INFO L290 TraceCheckUtils]: 29: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,223 INFO L290 TraceCheckUtils]: 28: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 == main_#t~mem8#1);havoc main_#t~mem8#1; {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,223 INFO L290 TraceCheckUtils]: 27: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem8#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1028-5 {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,223 INFO L290 TraceCheckUtils]: 26: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(1 != main_#t~mem7#1);havoc main_#t~mem7#1; {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,224 INFO L290 TraceCheckUtils]: 25: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1026-2 {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,224 INFO L290 TraceCheckUtils]: 24: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,224 INFO L290 TraceCheckUtils]: 23: Hoare triple {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,225 INFO L290 TraceCheckUtils]: 22: Hoare triple {13177#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13152#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:37,226 INFO L290 TraceCheckUtils]: 21: Hoare triple {13181#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call write~int(2, main_#t~mem6#1.base, 4 + main_#t~mem6#1.offset, 4); srcloc: L1020-1 {13177#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,227 INFO L290 TraceCheckUtils]: 20: Hoare triple {13185#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1020 {13181#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem6#1.base| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,227 INFO L290 TraceCheckUtils]: 19: Hoare triple {13185#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; {13185#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,230 WARN L290 TraceCheckUtils]: 18: Hoare triple {13192#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call write~$Pointer$(main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1019 {13185#(forall ((v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is UNKNOWN [2022-02-20 23:56:37,232 WARN L290 TraceCheckUtils]: 17: Hoare triple {13196#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_15| Int)) (or (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_15| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_15|) 0))))} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8); {13192#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc5#1.base|)) |ULTIMATE.start_main_#t~malloc5#1.base| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is UNKNOWN [2022-02-20 23:56:37,234 INFO L290 TraceCheckUtils]: 16: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1010-3 {13196#(forall ((|v_ULTIMATE.start_main_#t~malloc5#1.base_15| Int)) (or (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc5#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc5#1.base_15| v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc5#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,234 INFO L290 TraceCheckUtils]: 15: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,235 INFO L290 TraceCheckUtils]: 14: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,235 INFO L290 TraceCheckUtils]: 13: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} goto; {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,237 INFO L290 TraceCheckUtils]: 12: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,240 WARN L290 TraceCheckUtils]: 11: Hoare triple {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1015 {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is UNKNOWN [2022-02-20 23:56:37,240 INFO L290 TraceCheckUtils]: 10: Hoare triple {13219#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13200#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) |ULTIMATE.start_main_~x~0#1.base|) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,241 INFO L290 TraceCheckUtils]: 9: Hoare triple {13223#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1014 {13219#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,242 INFO L290 TraceCheckUtils]: 8: Hoare triple {13223#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13223#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,243 INFO L290 TraceCheckUtils]: 7: Hoare triple {13230#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1013 {13223#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int) (v_arrayElimArr_7 (Array Int Int)) (v_ArrVal_861 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|) v_ArrVal_861) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_69|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_67|))))} is VALID [2022-02-20 23:56:37,244 INFO L290 TraceCheckUtils]: 6: Hoare triple {13234#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {13230#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:37,247 INFO L290 TraceCheckUtils]: 5: Hoare triple {13234#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13234#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,248 INFO L290 TraceCheckUtils]: 4: Hoare triple {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13234#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,250 INFO L290 TraceCheckUtils]: 3: Hoare triple {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L1004-1 {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,251 INFO L290 TraceCheckUtils]: 2: Hoare triple {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1004 {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,252 INFO L290 TraceCheckUtils]: 1: Hoare triple {13019#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem7#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13241#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:37,252 INFO L290 TraceCheckUtils]: 0: Hoare triple {13019#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(14, 2); {13019#true} is VALID [2022-02-20 23:56:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 23:56:37,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118914678] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:37,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:37,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 15] total 39 [2022-02-20 23:56:37,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763138440] [2022-02-20 23:56:37,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:37,254 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:56:37,254 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:37,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 40 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:37,351 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 87 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:37,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-20 23:56:37,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:37,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-20 23:56:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1135, Unknown=7, NotChecked=284, Total=1560 [2022-02-20 23:56:37,353 INFO L87 Difference]: Start difference. First operand 153 states and 164 transitions. Second operand has 40 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)