./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 798a7b37 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_SFH_test6-1.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 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:23:37,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:23:37,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:23:37,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:23:37,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:23:37,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:23:37,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:23:37,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:23:37,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:23:37,426 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:23:37,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:23:37,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:23:37,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:23:37,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:23:37,427 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:23:37,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:23:37,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:23:37,430 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:23:37,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:23:37,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:23:37,430 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 -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2025-03-04 07:23:37,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:23:37,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:23:37,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:23:37,646 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:23:37,647 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:23:37,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-04 07:23:38,743 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56999af5c/764d5067294243efbd5544c29434aea6/FLAGe8c53d255 [2025-03-04 07:23:39,094 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:23:39,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-04 07:23:39,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56999af5c/764d5067294243efbd5544c29434aea6/FLAGe8c53d255 [2025-03-04 07:23:39,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56999af5c/764d5067294243efbd5544c29434aea6 [2025-03-04 07:23:39,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:23:39,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:23:39,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:39,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:23:39,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:23:39,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:39" (1/1) ... [2025-03-04 07:23:39,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b78219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:39, skipping insertion in model container [2025-03-04 07:23:39,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:39" (1/1) ... [2025-03-04 07:23:39,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:23:39,550 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,583 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,584 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,588 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,592 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,613 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,613 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,614 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,615 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,617 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,618 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,619 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,619 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,623 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:39,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:23:39,646 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) [2025-03-04 07:23:39,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76c64f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:39, skipping insertion in model container [2025-03-04 07:23:39,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:39,647 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:23:39,649 INFO L158 Benchmark]: Toolchain (without parser) took 525.98ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 82.9MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:23:39,650 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:23:39,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 82.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:23:39,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 82.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: 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_SFH_test6-1.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 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:23:41,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:23:41,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:23:41,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:23:41,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:23:41,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:23:41,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:23:41,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:23:41,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:23:41,350 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:23:41,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:23:41,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:23:41,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:23:41,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:23:41,351 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:23:41,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:23:41,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:23:41,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:23:41,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:23:41,353 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 -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2025-03-04 07:23:41,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:23:41,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:23:41,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:23:41,595 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:23:41,595 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:23:41,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-04 07:23:42,762 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea192905/fde5efcf0f1e4fd996415122378cc0ad/FLAG3cd21fa1d [2025-03-04 07:23:43,064 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:23:43,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2025-03-04 07:23:43,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea192905/fde5efcf0f1e4fd996415122378cc0ad/FLAG3cd21fa1d [2025-03-04 07:23:43,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea192905/fde5efcf0f1e4fd996415122378cc0ad [2025-03-04 07:23:43,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:23:43,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:23:43,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:43,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:23:43,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:23:43,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:43" (1/1) ... [2025-03-04 07:23:43,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645705b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:43, skipping insertion in model container [2025-03-04 07:23:43,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:23:43" (1/1) ... [2025-03-04 07:23:43,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:23:43,714 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,746 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,748 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,752 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,757 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,778 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,778 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,780 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,780 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,782 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,783 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,784 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,784 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,790 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:23:43,811 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:23:43,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:23:43,853 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,863 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,864 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,866 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,870 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,887 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,888 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,889 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,889 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,890 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,892 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,892 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,892 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,898 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:23:43,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:23:43,906 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:23:43,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:23:44,041 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:23:44,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44 WrapperNode [2025-03-04 07:23:44,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:23:44,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:23:44,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:23:44,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:23:44,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,119 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1026 [2025-03-04 07:23:44,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:23:44,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:23:44,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:23:44,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:23:44,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,195 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 34, 12, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 10, 0]. The 54 writes are split as follows [0, 4, 1, 49]. [2025-03-04 07:23:44,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:23:44,242 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:23:44,242 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:23:44,242 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:23:44,242 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (1/1) ... [2025-03-04 07:23:44,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:23:44,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:44,267 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) [2025-03-04 07:23:44,269 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 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:23:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:23:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2025-03-04 07:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2025-03-04 07:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2025-03-04 07:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2025-03-04 07:23:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:23:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:23:44,457 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:23:44,459 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:23:44,514 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2025-03-04 07:23:47,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2025-03-04 07:23:47,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2025-03-04 07:23:47,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-04 07:23:47,816 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2025-03-04 07:23:47,816 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:23:47,829 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:23:47,830 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:23:47,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:23:47 BoogieIcfgContainer [2025-03-04 07:23:47,830 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:23:47,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:23:47,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:23:47,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:23:47,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:23:43" (1/3) ... [2025-03-04 07:23:47,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380743b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:23:47, skipping insertion in model container [2025-03-04 07:23:47,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:23:44" (2/3) ... [2025-03-04 07:23:47,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380743b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:23:47, skipping insertion in model container [2025-03-04 07:23:47,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:23:47" (3/3) ... [2025-03-04 07:23:47,840 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-1.i [2025-03-04 07:23:47,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:23:47,851 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test6-1.i that has 6 procedures, 229 locations, 1 initial locations, 34 loop locations, and 2 error locations. [2025-03-04 07:23:47,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:23:47,884 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;@577a947e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:23:47,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:23:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 209 states have internal predecessors, (326), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-04 07:23:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-04 07:23:47,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:47,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:47,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:47,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash -345517548, now seen corresponding path program 1 times [2025-03-04 07:23:47,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:47,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640277739] [2025-03-04 07:23:47,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:47,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:47,909 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) [2025-03-04 07:23:47,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 07:23:48,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 07:23:48,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 07:23:48,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:48,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:48,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 07:23:48,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:48,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:48,096 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:48,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640277739] [2025-03-04 07:23:48,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640277739] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:48,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:48,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:23:48,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401533259] [2025-03-04 07:23:48,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:48,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:23:48,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:48,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:23:48,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:23:48,117 INFO L87 Difference]: Start difference. First operand has 229 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 209 states have internal predecessors, (326), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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) [2025-03-04 07:23:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:48,138 INFO L93 Difference]: Finished difference Result 224 states and 289 transitions. [2025-03-04 07:23:48,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:23:48,139 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 [2025-03-04 07:23:48,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:48,143 INFO L225 Difference]: With dead ends: 224 [2025-03-04 07:23:48,144 INFO L226 Difference]: Without dead ends: 222 [2025-03-04 07:23:48,145 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 [2025-03-04 07:23:48,146 INFO L435 NwaCegarLoop]: 289 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, 289 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 [2025-03-04 07:23:48,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:23:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-03-04 07:23:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2025-03-04 07:23:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 199 states have (on average 1.2914572864321607) internal successors, (257), 204 states have internal predecessors, (257), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:23:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 287 transitions. [2025-03-04 07:23:48,191 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 287 transitions. Word has length 10 [2025-03-04 07:23:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:48,191 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 287 transitions. [2025-03-04 07:23:48,191 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) [2025-03-04 07:23:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 287 transitions. [2025-03-04 07:23:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 07:23:48,192 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:48,192 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:48,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 07:23:48,392 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 [2025-03-04 07:23:48,393 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:48,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:48,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1820469489, now seen corresponding path program 1 times [2025-03-04 07:23:48,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:48,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811863779] [2025-03-04 07:23:48,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:48,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:48,395 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) [2025-03-04 07:23:48,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 07:23:48,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 07:23:48,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 07:23:48,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:48,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:48,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:23:48,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:48,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:48,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811863779] [2025-03-04 07:23:48,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811863779] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:48,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:48,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116463378] [2025-03-04 07:23:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:48,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:48,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:48,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:48,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:48,609 INFO L87 Difference]: Start difference. First operand 222 states and 287 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-03-04 07:23:51,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:51,522 INFO L93 Difference]: Finished difference Result 334 states and 435 transitions. [2025-03-04 07:23:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:23:51,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12 [2025-03-04 07:23:51,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:51,524 INFO L225 Difference]: With dead ends: 334 [2025-03-04 07:23:51,524 INFO L226 Difference]: Without dead ends: 334 [2025-03-04 07:23:51,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:51,525 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 135 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:51,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 776 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-04 07:23:51,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-04 07:23:51,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 330. [2025-03-04 07:23:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 307 states have (on average 1.3029315960912051) internal successors, (400), 312 states have internal predecessors, (400), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:23:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 430 transitions. [2025-03-04 07:23:51,539 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 430 transitions. Word has length 12 [2025-03-04 07:23:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:51,539 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 430 transitions. [2025-03-04 07:23:51,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2025-03-04 07:23:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 430 transitions. [2025-03-04 07:23:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 07:23:51,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:51,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:51,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 07:23:51,740 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 [2025-03-04 07:23:51,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:51,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:51,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2076188587, now seen corresponding path program 1 times [2025-03-04 07:23:51,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:51,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128064269] [2025-03-04 07:23:51,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:51,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:51,744 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) [2025-03-04 07:23:51,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 07:23:51,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 07:23:51,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 07:23:51,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:51,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:51,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:23:51,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:51,895 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:51,896 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:51,896 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:51,903 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 [2025-03-04 07:23:51,953 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:23:51,953 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 [2025-03-04 07:23:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:51,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:51,966 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:51,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128064269] [2025-03-04 07:23:51,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128064269] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:51,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:51,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978128185] [2025-03-04 07:23:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:51,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:51,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:51,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:51,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:51,967 INFO L87 Difference]: Start difference. First operand 330 states and 430 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:52,342 INFO L93 Difference]: Finished difference Result 507 states and 667 transitions. [2025-03-04 07:23:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:23:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-04 07:23:52,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:52,345 INFO L225 Difference]: With dead ends: 507 [2025-03-04 07:23:52,345 INFO L226 Difference]: Without dead ends: 507 [2025-03-04 07:23:52,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:23:52,345 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 225 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:52,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 795 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:23:52,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2025-03-04 07:23:52,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 329. [2025-03-04 07:23:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 311 states have internal predecessors, (398), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:23:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 428 transitions. [2025-03-04 07:23:52,363 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 428 transitions. Word has length 15 [2025-03-04 07:23:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:52,363 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 428 transitions. [2025-03-04 07:23:52,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 428 transitions. [2025-03-04 07:23:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:23:52,364 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:52,364 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:52,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 07:23:52,564 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 [2025-03-04 07:23:52,565 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:52,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash 956046006, now seen corresponding path program 1 times [2025-03-04 07:23:52,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:52,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544099065] [2025-03-04 07:23:52,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:52,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:52,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:52,569 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) [2025-03-04 07:23:52,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 07:23:52,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:23:52,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:23:52,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:52,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:52,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:23:52,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:52,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:52,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:52,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544099065] [2025-03-04 07:23:52,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544099065] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:52,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:52,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:23:52,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026976833] [2025-03-04 07:23:52,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:52,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:23:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:52,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:23:52,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:23:52,767 INFO L87 Difference]: Start difference. First operand 329 states and 428 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:52,844 INFO L93 Difference]: Finished difference Result 369 states and 468 transitions. [2025-03-04 07:23:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:23:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:23:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:52,845 INFO L225 Difference]: With dead ends: 369 [2025-03-04 07:23:52,845 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 07:23:52,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:23:52,846 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 519 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 [2025-03-04 07:23:52,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 519 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:23:52,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 07:23:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-04 07:23:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 346 states have (on average 1.2658959537572254) internal successors, (438), 351 states have internal predecessors, (438), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:23:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 468 transitions. [2025-03-04 07:23:52,853 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 468 transitions. Word has length 48 [2025-03-04 07:23:52,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:52,853 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 468 transitions. [2025-03-04 07:23:52,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 468 transitions. [2025-03-04 07:23:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:23:52,854 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:52,854 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:52,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 07:23:53,055 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 [2025-03-04 07:23:53,055 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 925026199, now seen corresponding path program 1 times [2025-03-04 07:23:53,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117725705] [2025-03-04 07:23:53,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:53,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:53,058 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) [2025-03-04 07:23:53,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 07:23:53,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:23:53,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:23:53,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:53,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:53,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:23:53,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:53,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:53,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:53,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117725705] [2025-03-04 07:23:53,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117725705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:53,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:53,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733769157] [2025-03-04 07:23:53,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:53,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:53,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:53,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:53,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:53,273 INFO L87 Difference]: Start difference. First operand 369 states and 468 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:53,350 INFO L93 Difference]: Finished difference Result 335 states and 412 transitions. [2025-03-04 07:23:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:23:53,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:23:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:53,352 INFO L225 Difference]: With dead ends: 335 [2025-03-04 07:23:53,352 INFO L226 Difference]: Without dead ends: 335 [2025-03-04 07:23:53,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:23:53,353 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 32 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 751 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 [2025-03-04 07:23:53,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 751 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:23:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2025-03-04 07:23:53,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2025-03-04 07:23:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 317 states have internal predecessors, (382), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:23:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 412 transitions. [2025-03-04 07:23:53,359 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 412 transitions. Word has length 48 [2025-03-04 07:23:53,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:53,359 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 412 transitions. [2025-03-04 07:23:53,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 412 transitions. [2025-03-04 07:23:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 07:23:53,360 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:53,360 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:53,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 07:23:53,560 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 [2025-03-04 07:23:53,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:53,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:53,561 INFO L85 PathProgramCache]: Analyzing trace with hash -983849296, now seen corresponding path program 1 times [2025-03-04 07:23:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:53,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111632186] [2025-03-04 07:23:53,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:53,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:53,564 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) [2025-03-04 07:23:53,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 07:23:53,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 07:23:53,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 07:23:53,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:53,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:53,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 07:23:53,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:53,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:53,904 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111632186] [2025-03-04 07:23:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111632186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:53,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:53,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 07:23:53,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853212873] [2025-03-04 07:23:53,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:53,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:23:53,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:53,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:23:53,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:23:53,905 INFO L87 Difference]: Start difference. First operand 335 states and 412 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:54,012 INFO L93 Difference]: Finished difference Result 344 states and 422 transitions. [2025-03-04 07:23:54,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 07:23:54,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2025-03-04 07:23:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:54,015 INFO L225 Difference]: With dead ends: 344 [2025-03-04 07:23:54,015 INFO L226 Difference]: Without dead ends: 344 [2025-03-04 07:23:54,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-04 07:23:54,015 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 8 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:54,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1869 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:23:54,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-04 07:23:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 343. [2025-03-04 07:23:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 317 states have (on average 1.220820189274448) internal successors, (387), 323 states have internal predecessors, (387), 19 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-04 07:23:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 421 transitions. [2025-03-04 07:23:54,026 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 421 transitions. Word has length 48 [2025-03-04 07:23:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:54,026 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 421 transitions. [2025-03-04 07:23:54,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:23:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 421 transitions. [2025-03-04 07:23:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-04 07:23:54,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:54,027 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] [2025-03-04 07:23:54,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-04 07:23:54,227 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 [2025-03-04 07:23:54,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:54,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:54,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1472963590, now seen corresponding path program 1 times [2025-03-04 07:23:54,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:54,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338450896] [2025-03-04 07:23:54,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:54,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:54,231 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) [2025-03-04 07:23:54,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 07:23:54,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 07:23:54,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 07:23:54,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:54,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:54,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:23:54,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:23:54,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:54,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:54,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338450896] [2025-03-04 07:23:54,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338450896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:54,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:54,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:54,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624074497] [2025-03-04 07:23:54,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:54,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:54,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:54,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:54,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:54,535 INFO L87 Difference]: Start difference. First operand 343 states and 421 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 07:23:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:54,721 INFO L93 Difference]: Finished difference Result 905 states and 1134 transitions. [2025-03-04 07:23:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:23:54,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2025-03-04 07:23:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:54,724 INFO L225 Difference]: With dead ends: 905 [2025-03-04 07:23:54,725 INFO L226 Difference]: Without dead ends: 905 [2025-03-04 07:23:54,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:54,725 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 501 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:54,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1418 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:23:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2025-03-04 07:23:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 851. [2025-03-04 07:23:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 805 states have (on average 1.2434782608695651) internal successors, (1001), 812 states have internal predecessors, (1001), 33 states have call successors, (33), 12 states have call predecessors, (33), 11 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32) [2025-03-04 07:23:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1066 transitions. [2025-03-04 07:23:54,754 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1066 transitions. Word has length 68 [2025-03-04 07:23:54,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:54,755 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1066 transitions. [2025-03-04 07:23:54,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-04 07:23:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1066 transitions. [2025-03-04 07:23:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-04 07:23:54,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:54,756 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:54,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 07:23:54,957 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 [2025-03-04 07:23:54,957 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:54,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:54,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1374354696, now seen corresponding path program 1 times [2025-03-04 07:23:54,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:54,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981121448] [2025-03-04 07:23:54,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:54,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:54,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:54,960 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) [2025-03-04 07:23:54,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 07:23:55,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-04 07:23:55,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-04 07:23:55,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:55,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:55,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 07:23:55,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 07:23:55,318 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:55,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:55,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981121448] [2025-03-04 07:23:55,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981121448] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:55,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:55,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:55,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645328754] [2025-03-04 07:23:55,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:55,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:55,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:55,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:55,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:55,320 INFO L87 Difference]: Start difference. First operand 851 states and 1066 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:23:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:55,361 INFO L93 Difference]: Finished difference Result 863 states and 1081 transitions. [2025-03-04 07:23:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:23:55,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 94 [2025-03-04 07:23:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:55,366 INFO L225 Difference]: With dead ends: 863 [2025-03-04 07:23:55,366 INFO L226 Difference]: Without dead ends: 863 [2025-03-04 07:23:55,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:55,367 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:55,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 811 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:23:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2025-03-04 07:23:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 863. [2025-03-04 07:23:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 814 states have (on average 1.2444717444717446) internal successors, (1013), 824 states have internal predecessors, (1013), 33 states have call successors, (33), 12 states have call predecessors, (33), 14 states have return successors, (35), 26 states have call predecessors, (35), 29 states have call successors, (35) [2025-03-04 07:23:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1081 transitions. [2025-03-04 07:23:55,389 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1081 transitions. Word has length 94 [2025-03-04 07:23:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:55,389 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1081 transitions. [2025-03-04 07:23:55,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:23:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1081 transitions. [2025-03-04 07:23:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-04 07:23:55,392 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:55,392 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:55,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 07:23:55,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:55,593 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:55,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:55,593 INFO L85 PathProgramCache]: Analyzing trace with hash -503453204, now seen corresponding path program 1 times [2025-03-04 07:23:55,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:55,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164020077] [2025-03-04 07:23:55,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:55,596 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:23:55,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 07:23:55,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-04 07:23:55,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-04 07:23:55,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:55,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:55,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 07:23:55,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:23:56,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:23:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-04 07:23:56,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164020077] [2025-03-04 07:23:56,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164020077] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:23:56,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:23:56,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2025-03-04 07:23:56,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203368602] [2025-03-04 07:23:56,343 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:23:56,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-04 07:23:56,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:56,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-04 07:23:56,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-03-04 07:23:56,346 INFO L87 Difference]: Start difference. First operand 863 states and 1081 transitions. Second operand has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-04 07:23:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:57,920 INFO L93 Difference]: Finished difference Result 3258 states and 4122 transitions. [2025-03-04 07:23:57,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-04 07:23:57,921 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 96 [2025-03-04 07:23:57,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:57,932 INFO L225 Difference]: With dead ends: 3258 [2025-03-04 07:23:57,933 INFO L226 Difference]: Without dead ends: 3258 [2025-03-04 07:23:57,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2025-03-04 07:23:57,935 INFO L435 NwaCegarLoop]: 942 mSDtfsCounter, 3708 mSDsluCounter, 6267 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 7209 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:57,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 7209 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-04 07:23:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2025-03-04 07:23:57,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 2407. [2025-03-04 07:23:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 2307 states have (on average 1.2514087559601215) internal successors, (2887), 2325 states have internal predecessors, (2887), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-04 07:23:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3030 transitions. [2025-03-04 07:23:57,976 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3030 transitions. Word has length 96 [2025-03-04 07:23:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:57,977 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3030 transitions. [2025-03-04 07:23:57,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 12 states have internal predecessors, (156), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2025-03-04 07:23:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3030 transitions. [2025-03-04 07:23:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-04 07:23:57,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:57,978 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:57,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-04 07:23:58,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:58,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:58,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1294074739, now seen corresponding path program 1 times [2025-03-04 07:23:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:58,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032379249] [2025-03-04 07:23:58,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:58,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:58,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:58,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:23:58,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 07:23:58,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-04 07:23:58,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-04 07:23:58,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:58,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:58,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 07:23:58,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:58,550 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:58,551 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:58,551 INFO L173 IndexEqualityManager]: detected equality via solver [2025-03-04 07:23:58,552 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 [2025-03-04 07:23:58,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 07:23:58,583 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 [2025-03-04 07:23:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-04 07:23:58,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:23:58,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:58,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032379249] [2025-03-04 07:23:58,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032379249] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:23:58,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:23:58,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:23:58,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340180598] [2025-03-04 07:23:58,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:23:58,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:23:58,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:58,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:23:58,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:23:58,593 INFO L87 Difference]: Start difference. First operand 2407 states and 3030 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:23:59,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:59,014 INFO L93 Difference]: Finished difference Result 3399 states and 4348 transitions. [2025-03-04 07:23:59,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:23:59,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 104 [2025-03-04 07:23:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:59,023 INFO L225 Difference]: With dead ends: 3399 [2025-03-04 07:23:59,024 INFO L226 Difference]: Without dead ends: 3399 [2025-03-04 07:23:59,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 07:23:59,024 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 210 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:59,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 754 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 07:23:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2025-03-04 07:23:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 2423. [2025-03-04 07:23:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 2323 states have (on average 1.2496771416272061) internal successors, (2903), 2341 states have internal predecessors, (2903), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2025-03-04 07:23:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 3046 transitions. [2025-03-04 07:23:59,063 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 3046 transitions. Word has length 104 [2025-03-04 07:23:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:59,063 INFO L471 AbstractCegarLoop]: Abstraction has 2423 states and 3046 transitions. [2025-03-04 07:23:59,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 07:23:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 3046 transitions. [2025-03-04 07:23:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-04 07:23:59,064 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:59,064 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:59,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-04 07:23:59,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:59,264 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:23:59,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:23:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash 55779331, now seen corresponding path program 1 times [2025-03-04 07:23:59,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:23:59,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538024042] [2025-03-04 07:23:59,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:23:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:23:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:23:59,268 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:23:59,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 07:23:59,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-04 07:23:59,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-04 07:23:59,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:23:59,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:23:59,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:23:59,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:23:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 07:23:59,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:23:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:23:59,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:23:59,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538024042] [2025-03-04 07:23:59,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538024042] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:23:59,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:23:59,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:23:59,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966966991] [2025-03-04 07:23:59,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:23:59,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:23:59,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:23:59,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:23:59,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:23:59,812 INFO L87 Difference]: Start difference. First operand 2423 states and 3046 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 07:23:59,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:23:59,935 INFO L93 Difference]: Finished difference Result 2501 states and 3160 transitions. [2025-03-04 07:23:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:23:59,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2025-03-04 07:23:59,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:23:59,941 INFO L225 Difference]: With dead ends: 2501 [2025-03-04 07:23:59,941 INFO L226 Difference]: Without dead ends: 2501 [2025-03-04 07:23:59,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-04 07:23:59,942 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 5 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:23:59,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 810 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:23:59,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2025-03-04 07:23:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2483. [2025-03-04 07:23:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2377 states have (on average 1.2591501893142616) internal successors, (2993), 2395 states have internal predecessors, (2993), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (80), 55 states have call predecessors, (80), 65 states have call successors, (80) [2025-03-04 07:23:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3142 transitions. [2025-03-04 07:23:59,980 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3142 transitions. Word has length 111 [2025-03-04 07:23:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:23:59,980 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 3142 transitions. [2025-03-04 07:23:59,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 07:23:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3142 transitions. [2025-03-04 07:23:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-04 07:23:59,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:23:59,981 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:23:59,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 07:24:00,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:00,182 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:24:00,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:24:00,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1211696569, now seen corresponding path program 2 times [2025-03-04 07:24:00,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:24:00,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041467151] [2025-03-04 07:24:00,182 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:24:00,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:24:00,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:24:00,184 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:24:00,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 07:24:00,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes.