./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.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/uthash-2.0.2/uthash_BER_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:26:07,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:26:07,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-17 11:26:07,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:26:07,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:26:07,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:26:07,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:26:07,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:26:07,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:26:07,774 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:26:07,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:26:07,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:26:07,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:26:07,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:26:07,776 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:26:07,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:26:07,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:26:07,776 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:26:07,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:26:07,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:26:07,777 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:26:07,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:26:07,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:26:07,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:26:07,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 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-memcleanup) ) 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 -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2025-03-17 11:26:07,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:26:07,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:26:07,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:26:07,999 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:26:07,999 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:26:08,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2025-03-17 11:26:09,097 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7dfa29d/c99d9b02599e46fcb75d1e013ca01905/FLAG404c750b9 [2025-03-17 11:26:09,422 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:26:09,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2025-03-17 11:26:09,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7dfa29d/c99d9b02599e46fcb75d1e013ca01905/FLAG404c750b9 [2025-03-17 11:26:09,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7dfa29d/c99d9b02599e46fcb75d1e013ca01905 [2025-03-17 11:26:09,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:26:09,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:26:09,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:09,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:26:09,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:26:09,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:09" (1/1) ... [2025-03-17 11:26:09,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791212dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:09, skipping insertion in model container [2025-03-17 11:26:09,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:09" (1/1) ... [2025-03-17 11:26:09,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:26:09,745 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,771 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,774 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,776 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,781 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,805 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,805 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,807 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,807 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,808 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,812 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,813 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,813 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,816 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,818 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,818 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,819 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,819 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,822 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:09,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:09,839 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2025-03-17 11:26:09,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75a2cec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:09, skipping insertion in model container [2025-03-17 11:26:09,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:09,842 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-17 11:26:09,843 INFO L158 Benchmark]: Toolchain (without parser) took 381.32ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 82.0MB in the end (delta: 20.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:26:09,844 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:26:09,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.64ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 82.0MB in the end (delta: 20.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:26:09,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.64ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 82.0MB in the end (delta: 20.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.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/uthash-2.0.2/uthash_BER_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:26:11,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:26:11,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-17 11:26:11,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:26:11,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:26:11,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:26:11,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:26:11,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:26:11,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 11:26:11,513 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 11:26:11,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:26:11,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:26:11,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:26:11,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:26:11,515 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:26:11,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:26:11,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:26:11,515 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:26:11,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 11:26:11,516 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 11:26:11,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:26:11,517 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:26:11,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:26:11,517 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:26:11,517 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:26:11,517 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:26:11,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:26:11,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:26:11,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:26:11,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:26:11,519 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 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-memcleanup) ) 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 -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2025-03-17 11:26:11,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:26:11,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:26:11,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:26:11,729 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:26:11,730 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:26:11,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2025-03-17 11:26:12,864 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3065b5e/c490c4650b5943f1b3ced04b9d318ab2/FLAG5d9986c85 [2025-03-17 11:26:13,188 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:26:13,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2025-03-17 11:26:13,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3065b5e/c490c4650b5943f1b3ced04b9d318ab2/FLAG5d9986c85 [2025-03-17 11:26:13,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3065b5e/c490c4650b5943f1b3ced04b9d318ab2 [2025-03-17 11:26:13,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:26:13,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:26:13,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:13,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:26:13,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:26:13,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:13" (1/1) ... [2025-03-17 11:26:13,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30567732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:13, skipping insertion in model container [2025-03-17 11:26:13,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:26:13" (1/1) ... [2025-03-17 11:26:13,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:26:13,720 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,744 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,750 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,754 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,761 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,783 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,783 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,785 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,785 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,787 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,788 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,790 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,791 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,795 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,796 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,797 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,797 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,798 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,801 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:13,825 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-17 11:26:13,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:26:13,866 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,882 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,884 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,885 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,890 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,904 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,905 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,906 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,906 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,907 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,908 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,908 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,909 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,911 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,913 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,915 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,916 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,917 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,920 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-17 11:26:13,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:13,928 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:26:13,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:26:14,015 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:26:14,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14 WrapperNode [2025-03-17 11:26:14,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:26:14,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:26:14,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:26:14,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:26:14,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,064 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1127 [2025-03-17 11:26:14,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:26:14,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:26:14,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:26:14,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:26:14,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,179 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-03-17 11:26:14,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:26:14,244 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:26:14,245 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:26:14,245 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:26:14,246 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (1/1) ... [2025-03-17 11:26:14,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:26:14,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:14,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:26:14,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:26:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-03-17 11:26:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:26:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-17 11:26:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:26:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:26:14,495 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:26:14,497 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:26:21,532 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 11:26:21,606 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2025-03-17 11:26:21,606 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:26:21,620 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:26:21,622 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:26:21,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:26:21 BoogieIcfgContainer [2025-03-17 11:26:21,622 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:26:21,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:26:21,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:26:21,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:26:21,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:26:13" (1/3) ... [2025-03-17 11:26:21,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf0738b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:26:21, skipping insertion in model container [2025-03-17 11:26:21,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:26:14" (2/3) ... [2025-03-17 11:26:21,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf0738b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:26:21, skipping insertion in model container [2025-03-17 11:26:21,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:26:21" (3/3) ... [2025-03-17 11:26:21,631 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i [2025-03-17 11:26:21,640 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:26:21,641 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test8-2.i that has 7 procedures, 267 locations, 1 initial locations, 40 loop locations, and 2 error locations. [2025-03-17 11:26:21,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:26:21,677 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@185f3189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:26:21,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 11:26:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 249 states have internal predecessors, (384), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 11:26:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-17 11:26:21,684 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:21,685 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:21,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:21,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:21,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1312002492, now seen corresponding path program 1 times [2025-03-17 11:26:21,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:21,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714821672] [2025-03-17 11:26:21,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:21,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:21,697 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) [2025-03-17 11:26:21,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:26:21,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 11:26:21,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 11:26:21,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:21,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:21,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 11:26:21,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:21,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:21,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:21,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714821672] [2025-03-17 11:26:21,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714821672] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:21,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:21,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:26:21,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290306605] [2025-03-17 11:26:21,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:21,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:26:21,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:21,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:26:21,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:26:21,898 INFO L87 Difference]: Start difference. First operand has 259 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 249 states have internal predecessors, (384), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:21,925 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions. [2025-03-17 11:26:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:26:21,926 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-17 11:26:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:21,933 INFO L225 Difference]: With dead ends: 257 [2025-03-17 11:26:21,933 INFO L226 Difference]: Without dead ends: 255 [2025-03-17 11:26:21,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:26:21,937 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:21,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:26:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-03-17 11:26:21,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-03-17 11:26:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 228 states have (on average 1.355263157894737) internal successors, (309), 245 states have internal predecessors, (309), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 11:26:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 351 transitions. [2025-03-17 11:26:21,989 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 351 transitions. Word has length 10 [2025-03-17 11:26:21,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:21,989 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 351 transitions. [2025-03-17 11:26:21,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:21,990 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 351 transitions. [2025-03-17 11:26:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 11:26:21,990 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:21,991 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:21,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 11:26:22,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:22,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:22,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:22,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1289087600, now seen corresponding path program 1 times [2025-03-17 11:26:22,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:22,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841368832] [2025-03-17 11:26:22,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:22,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:22,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:22,199 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) [2025-03-17 11:26:22,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:26:22,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 11:26:22,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 11:26:22,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:22,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:22,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:26:22,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:22,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:22,443 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841368832] [2025-03-17 11:26:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841368832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:22,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:22,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:26:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172353807] [2025-03-17 11:26:22,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:22,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:26:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:22,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:26:22,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:26:22,445 INFO L87 Difference]: Start difference. First operand 255 states and 351 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:23,253 INFO L93 Difference]: Finished difference Result 394 states and 535 transitions. [2025-03-17 11:26:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:26:23,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 11:26:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:23,259 INFO L225 Difference]: With dead ends: 394 [2025-03-17 11:26:23,259 INFO L226 Difference]: Without dead ends: 394 [2025-03-17 11:26:23,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:26:23,260 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 170 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:23,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 647 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 11:26:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-03-17 11:26:23,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 363. [2025-03-17 11:26:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 335 states have (on average 1.346268656716418) internal successors, (451), 352 states have internal predecessors, (451), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:26:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 495 transitions. [2025-03-17 11:26:23,279 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 495 transitions. Word has length 11 [2025-03-17 11:26:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:23,279 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 495 transitions. [2025-03-17 11:26:23,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 495 transitions. [2025-03-17 11:26:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 11:26:23,280 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:23,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:23,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 11:26:23,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:23,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:23,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1289117391, now seen corresponding path program 1 times [2025-03-17 11:26:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29026199] [2025-03-17 11:26:23,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:23,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:23,487 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) [2025-03-17 11:26:23,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:26:23,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 11:26:23,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 11:26:23,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:23,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:23,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:26:23,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:23,626 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:23,627 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:23,627 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-17 11:26:23,633 INFO L378 Elim1Store]: Elim1 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 30 treesize of output 39 [2025-03-17 11:26:23,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 11:26:23,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2025-03-17 11:26:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:26:23,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:23,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29026199] [2025-03-17 11:26:23,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29026199] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:23,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:23,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:26:23,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029894573] [2025-03-17 11:26:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:23,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:23,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:23,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:23,697 INFO L87 Difference]: Start difference. First operand 363 states and 495 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:24,052 INFO L93 Difference]: Finished difference Result 555 states and 751 transitions. [2025-03-17 11:26:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:24,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 11:26:24,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:24,055 INFO L225 Difference]: With dead ends: 555 [2025-03-17 11:26:24,055 INFO L226 Difference]: Without dead ends: 555 [2025-03-17 11:26:24,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:24,056 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 256 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:24,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1036 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 11:26:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2025-03-17 11:26:24,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 362. [2025-03-17 11:26:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 334 states have (on average 1.344311377245509) internal successors, (449), 351 states have internal predecessors, (449), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:26:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 493 transitions. [2025-03-17 11:26:24,068 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 493 transitions. Word has length 11 [2025-03-17 11:26:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:24,068 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 493 transitions. [2025-03-17 11:26:24,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:26:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 493 transitions. [2025-03-17 11:26:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:26:24,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:24,070 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:24,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 11:26:24,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,271 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:24,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1755627694, now seen corresponding path program 1 times [2025-03-17 11:26:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119111059] [2025-03-17 11:26:24,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:24,275 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) [2025-03-17 11:26:24,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:26:24,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:26:24,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:26:24,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:24,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:24,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:26:24,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:26:24,597 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:24,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:24,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119111059] [2025-03-17 11:26:24,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119111059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:24,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:24,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:26:24,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456857268] [2025-03-17 11:26:24,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:24,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:26:24,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:24,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:26:24,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:26:24,599 INFO L87 Difference]: Start difference. First operand 362 states and 493 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:24,689 INFO L93 Difference]: Finished difference Result 402 states and 533 transitions. [2025-03-17 11:26:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:26:24,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:26:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:24,691 INFO L225 Difference]: With dead ends: 402 [2025-03-17 11:26:24,691 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 11:26:24,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:26:24,691 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 8 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:24,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 647 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:24,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 11:26:24,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-03-17 11:26:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 374 states have (on average 1.3074866310160427) internal successors, (489), 391 states have internal predecessors, (489), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:26:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 533 transitions. [2025-03-17 11:26:24,700 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 533 transitions. Word has length 79 [2025-03-17 11:26:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:24,701 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 533 transitions. [2025-03-17 11:26:24,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 533 transitions. [2025-03-17 11:26:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:26:24,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:24,702 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:24,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:26:24,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:24,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:24,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1475277805, now seen corresponding path program 1 times [2025-03-17 11:26:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:24,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097842665] [2025-03-17 11:26:24,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:24,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:24,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:24,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 11:26:25,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:26:25,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:26:25,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:25,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:25,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:26:25,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 11:26:25,217 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:25,217 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:25,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097842665] [2025-03-17 11:26:25,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097842665] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:25,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:25,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:25,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511572298] [2025-03-17 11:26:25,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:25,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:25,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:25,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:25,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:25,218 INFO L87 Difference]: Start difference. First operand 402 states and 533 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:25,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:25,313 INFO L93 Difference]: Finished difference Result 368 states and 477 transitions. [2025-03-17 11:26:25,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 11:26:25,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:26:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:25,315 INFO L225 Difference]: With dead ends: 368 [2025-03-17 11:26:25,315 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 11:26:25,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 11:26:25,315 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 32 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:25,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 943 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 11:26:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2025-03-17 11:26:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 340 states have (on average 1.2735294117647058) internal successors, (433), 357 states have internal predecessors, (433), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 11:26:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 477 transitions. [2025-03-17 11:26:25,326 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 477 transitions. Word has length 79 [2025-03-17 11:26:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:25,326 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 477 transitions. [2025-03-17 11:26:25,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 477 transitions. [2025-03-17 11:26:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 11:26:25,328 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:25,328 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:25,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 11:26:25,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:25,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:25,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:25,529 INFO L85 PathProgramCache]: Analyzing trace with hash 346561524, now seen corresponding path program 1 times [2025-03-17 11:26:25,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:25,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030697917] [2025-03-17 11:26:25,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:25,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:25,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:25,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:25,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 11:26:25,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 11:26:25,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 11:26:25,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:25,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:25,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:26:25,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 11:26:25,886 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:26:25,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:25,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030697917] [2025-03-17 11:26:25,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030697917] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:26:25,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:26:25,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 11:26:25,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561416657] [2025-03-17 11:26:25,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:26:25,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 11:26:25,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:25,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 11:26:25,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:25,889 INFO L87 Difference]: Start difference. First operand 368 states and 477 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:25,914 INFO L93 Difference]: Finished difference Result 371 states and 481 transitions. [2025-03-17 11:26:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 11:26:25,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2025-03-17 11:26:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:25,916 INFO L225 Difference]: With dead ends: 371 [2025-03-17 11:26:25,916 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 11:26:25,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 11:26:25,917 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:25,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1007 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 11:26:25,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 11:26:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-17 11:26:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 342 states have (on average 1.2748538011695907) internal successors, (436), 360 states have internal predecessors, (436), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2025-03-17 11:26:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 481 transitions. [2025-03-17 11:26:25,924 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 481 transitions. Word has length 79 [2025-03-17 11:26:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:25,924 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 481 transitions. [2025-03-17 11:26:25,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 11:26:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 481 transitions. [2025-03-17 11:26:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-17 11:26:25,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:25,925 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:25,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 11:26:26,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:26,126 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:26,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:26,127 INFO L85 PathProgramCache]: Analyzing trace with hash 497458456, now seen corresponding path program 1 times [2025-03-17 11:26:26,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:26,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076994231] [2025-03-17 11:26:26,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:26:26,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:26,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:26,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:26,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 11:26:26,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-17 11:26:26,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 11:26:26,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:26:26,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:26:26,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:26:26,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:26:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 11:26:26,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:26:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 11:26:26,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 11:26:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076994231] [2025-03-17 11:26:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076994231] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:26:26,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 11:26:26,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 11:26:26,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977233900] [2025-03-17 11:26:26,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 11:26:26,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 11:26:26,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 11:26:26,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 11:26:26,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 11:26:26,539 INFO L87 Difference]: Start difference. First operand 371 states and 481 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 11:26:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 11:26:26,639 INFO L93 Difference]: Finished difference Result 382 states and 498 transitions. [2025-03-17 11:26:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 11:26:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 81 [2025-03-17 11:26:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 11:26:26,641 INFO L225 Difference]: With dead ends: 382 [2025-03-17 11:26:26,641 INFO L226 Difference]: Without dead ends: 382 [2025-03-17 11:26:26,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 11:26:26,642 INFO L435 NwaCegarLoop]: 336 mSDtfsCounter, 5 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 11:26:26,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1340 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 11:26:26,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-03-17 11:26:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 380. [2025-03-17 11:26:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 350 states have (on average 1.2857142857142858) internal successors, (450), 368 states have internal predecessors, (450), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2025-03-17 11:26:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 496 transitions. [2025-03-17 11:26:26,649 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 496 transitions. Word has length 81 [2025-03-17 11:26:26,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 11:26:26,649 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 496 transitions. [2025-03-17 11:26:26,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 11:26:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 496 transitions. [2025-03-17 11:26:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 11:26:26,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 11:26:26,650 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:26:26,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 11:26:26,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:26,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-17 11:26:26,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:26:26,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1544854292, now seen corresponding path program 2 times [2025-03-17 11:26:26,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 11:26:26,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356471729] [2025-03-17 11:26:26,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:26:26,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:26:26,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:26:26,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:26:26,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 11:26:27,067 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes.