./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 297d4f7e6fe1324d357f4812a6556f1cd58caa692e4601779e6f52e2ab17fbf7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:22:35,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:22:35,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:22:35,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:22:35,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:22:35,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:22:35,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:22:35,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:22:35,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:22:35,998 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:22:35,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:22:35,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:22:35,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:22:35,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:22:35,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:22:36,000 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:22:36,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:36,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:22:36,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:22:36,001 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-jdk21/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 ! call(reach_error())) ) 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 -> 297d4f7e6fe1324d357f4812a6556f1cd58caa692e4601779e6f52e2ab17fbf7 [2025-02-07 21:22:36,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:22:36,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:22:36,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:22:36,200 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:22:36,200 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:22:36,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2025-02-07 21:22:37,384 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45d61d8b0/689bfca7097147399b2a5daf7221854d/FLAGf902602ce [2025-02-07 21:22:37,798 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:22:37,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2025-02-07 21:22:37,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45d61d8b0/689bfca7097147399b2a5daf7221854d/FLAGf902602ce [2025-02-07 21:22:37,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45d61d8b0/689bfca7097147399b2a5daf7221854d [2025-02-07 21:22:37,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:22:37,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:22:37,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:37,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:22:37,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:22:37,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:37" (1/1) ... [2025-02-07 21:22:37,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171973cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:37, skipping insertion in model container [2025-02-07 21:22:37,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:22:37" (1/1) ... [2025-02-07 21:22:38,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:22:38,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16948,16961] [2025-02-07 21:22:38,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23372,23385] [2025-02-07 21:22:38,442 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26559,26572] [2025-02-07 21:22:38,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29535,29548] [2025-02-07 21:22:38,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33298,33311] [2025-02-07 21:22:38,473 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36350,36363] [2025-02-07 21:22:38,488 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39535,39548] [2025-02-07 21:22:38,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42506,42519] [2025-02-07 21:22:38,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45890,45903] [2025-02-07 21:22:38,518 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48876,48889] [2025-02-07 21:22:38,526 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[52025,52038] [2025-02-07 21:22:38,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:38,577 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:22:38,642 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16948,16961] [2025-02-07 21:22:38,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23372,23385] [2025-02-07 21:22:38,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26559,26572] [2025-02-07 21:22:38,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29535,29548] [2025-02-07 21:22:38,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33298,33311] [2025-02-07 21:22:38,687 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36350,36363] [2025-02-07 21:22:38,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39535,39548] [2025-02-07 21:22:38,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42506,42519] [2025-02-07 21:22:38,713 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45890,45903] [2025-02-07 21:22:38,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48876,48889] [2025-02-07 21:22:38,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[52025,52038] [2025-02-07 21:22:38,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:22:38,748 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:22:38,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38 WrapperNode [2025-02-07 21:22:38,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:22:38,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:38,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:22:38,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:22:38,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,823 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2763 [2025-02-07 21:22:38,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:22:38,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:22:38,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:22:38,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:22:38,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-07 21:22:38,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:22:38,929 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:22:38,929 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:22:38,929 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:22:38,930 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (1/1) ... [2025-02-07 21:22:38,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:22:38,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:22:38,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:22:38,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:22:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:22:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:22:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:22:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:22:39,091 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:22:39,092 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:22:40,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1956: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~13#1;havoc main_~node4__m4~10#1;havoc main_~node3__m3~8#1;havoc main_~node2__m2~7#1;havoc main_~node1__m1~7#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~12#1; [2025-02-07 21:22:40,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node4__m4~0#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4469: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3347: havoc main_~node3____CPAchecker_TMP_0~3#1;havoc main_~node3__m3~15#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1300: havoc main_~node3____CPAchecker_TMP_0~1#1;havoc main_~node3__m3~5#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2490: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~17#1;havoc main_~node4__m4~13#1;havoc main_~node3__m3~11#1;havoc main_~node2__m2~10#1;havoc main_~node1__m1~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~16#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3746: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~27#1;havoc main_~node4__m4~20#1;havoc main_~node3__m3~17#1;havoc main_~node2__m2~15#1;havoc main_~node1__m1~14#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~26#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4276: havoc main_~node2__m2~18#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1700: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~11#1;havoc main_~node4__m4~8#1;havoc main_~node3__m3~7#1;havoc main_~node2__m2~6#1;havoc main_~node1__m1~6#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~10#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L381: havoc main_~check__tmp~1#1;havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4412: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-02-07 21:22:40,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L189: havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1;#t~ret21#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_~check__tmp~1#1, main_~node4__m4~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~check__tmp~3#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4__m4~0#1, main_~check__tmp~5#1, main_~node4__m4~4#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~7#1, main_~node4__m4~5#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~4#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~6#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~0#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~8#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~11#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~10#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4__m4~6#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~13#1, main_~node4__m4~10#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~12#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~15#1, main_~node4__m4~11#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~8#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~14#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4__m4~9#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~0#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4__m4~13#1, main_~node3__m3~11#1, main_~node2__m2~10#1, main_~node1__m1~9#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~16#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4__m4~14#1, main_~node3__m3~12#1, main_~node2__m2~11#1, main_~node1__m1~10#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4__m4~12#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4__m4~16#1, main_~node3__m3~13#1, main_~node2__m2~12#1, main_~node1__m1~11#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~23#1, main_~node4__m4~17#1, main_~node3__m3~14#1, main_~node2__m2~13#1, main_~node1__m1~12#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_0~5#1, main_~node4__m4~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3__m3~10#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~25#1, main_~node4__m4~19#1, main_~node3__m3~16#1, main_~node2__m2~14#1, main_~node1__m1~13#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~24#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~27#1, main_~node4__m4~20#1, main_~node3__m3~17#1, main_~node2__m2~15#1, main_~node1__m1~14#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_0~6#1, main_~node4__m4~18#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~29#1, main_~node4__m4~22#1, main_~node3__m3~18#1, main_~node2__m2~16#1, main_~node1__m1~15#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~28#1, main_~node4____CPAchecker_TMP_0~8#1, main_~node4__m4~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2__m2~18#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1__m1~17#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~31#1, main_~node4__m4~23#1, main_~node3__m3~19#1, main_~node2__m2~17#1, main_~node1__m1~16#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_0~7#1, main_~node4__m4~21#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3__m3~15#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2__m2~9#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;assume { :end_inline_main } true; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1182: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~7#1;havoc main_~node4__m4~5#1;havoc main_~node3__m3~4#1;havoc main_~node2__m2~4#1;havoc main_~node1__m1~4#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~6#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3364: havoc main_~node4____CPAchecker_TMP_0~6#1;havoc main_~node4__m4~18#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1317: havoc main_~node4____CPAchecker_TMP_0~2#1;havoc main_~node4__m4~6#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2309: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node2__m2~9#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1452: havoc main_~check__tmp~9#1;havoc main_~node4__m4~7#1;havoc main_~node3__m3~6#1;havoc main_~node2__m2~5#1;havoc main_~node1__m1~5#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~8#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3237: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~23#1;havoc main_~node4__m4~17#1;havoc main_~node3__m3~14#1;havoc main_~node2__m2~13#1;havoc main_~node1__m1~12#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~22#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3505: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~25#1;havoc main_~node4__m4~19#1;havoc main_~node3__m3~16#1;havoc main_~node2__m2~14#1;havoc main_~node1__m1~13#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~24#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4234: havoc main_~node1__m1~17#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~31#1;havoc main_~node4__m4~23#1;havoc main_~node3__m3~19#1;havoc main_~node2__m2~17#1;havoc main_~node1__m1~16#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~30#1; [2025-02-07 21:22:40,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L799: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node4__m4~3#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__m2~0#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L934: havoc main_~check__tmp~5#1;havoc main_~node4__m4~4#1;havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1;havoc main_~node1__m1~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~4#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L673: havoc main_~check__tmp~3#1;havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~2#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2326: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__m3~10#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4440: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4308: havoc main_~node3__m3~20#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2856: havoc main_~node4____CPAchecker_TMP_0~5#1;havoc main_~node4__m4~15#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2196: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~15#1;havoc main_~node4__m4~11#1;havoc main_~node3__m3~9#1;havoc main_~node2__m2~8#1;havoc main_~node1__m1~8#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~14#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3853: havoc main_~node4____CPAchecker_TMP_0~7#1;havoc main_~node4__m4~21#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4384: havoc main_~node4____CPAchecker_TMP_0~8#1;havoc main_~node4__m4~24#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~21#1;havoc main_~node4__m4~16#1;havoc main_~node3__m3~13#1;havoc main_~node2__m2~12#1;havoc main_~node1__m1~11#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~20#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__m3~0#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2343: havoc main_~node4____CPAchecker_TMP_0~4#1;havoc main_~node4__m4~12#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1815: havoc main_~node4____CPAchecker_TMP_0~3#1;havoc main_~node4__m4~9#1; [2025-02-07 21:22:40,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~19#1;havoc main_~node4__m4~14#1;havoc main_~node3__m3~12#1;havoc main_~node2__m2~11#1;havoc main_~node1__m1~10#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~18#1; [2025-02-07 21:22:40,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3997: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~29#1;havoc main_~node4__m4~22#1;havoc main_~node3__m3~18#1;havoc main_~node2__m2~16#1;havoc main_~node1__m1~15#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~28#1; [2025-02-07 21:22:40,471 INFO L? ?]: Removed 765 outVars from TransFormulas that were not future-live. [2025-02-07 21:22:40,471 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:22:40,497 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:22:40,498 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:22:40,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:40 BoogieIcfgContainer [2025-02-07 21:22:40,498 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:22:40,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:22:40,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:22:40,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:22:40,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:22:37" (1/3) ... [2025-02-07 21:22:40,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3225d12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:40, skipping insertion in model container [2025-02-07 21:22:40,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:22:38" (2/3) ... [2025-02-07 21:22:40,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3225d12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:22:40, skipping insertion in model container [2025-02-07 21:22:40,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:40" (3/3) ... [2025-02-07 21:22:40,507 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2025-02-07 21:22:40,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:22:40,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 571 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-02-07 21:22:40,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:22:40,590 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=LoopHeads, 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;@1a77a630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:22:40,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-02-07 21:22:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 437 states have (on average 1.997711670480549) internal successors, (873), 569 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-07 21:22:40,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:40,610 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:22:40,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-07 21:22:40,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:40,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1420303018, now seen corresponding path program 1 times [2025-02-07 21:22:40,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:40,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106831476] [2025-02-07 21:22:40,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:40,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:40,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-07 21:22:40,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-07 21:22:40,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:40,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:22:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106831476] [2025-02-07 21:22:41,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106831476] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:41,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:41,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 21:22:41,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739023326] [2025-02-07 21:22:41,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:41,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 21:22:41,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:41,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 21:22:41,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 21:22:41,131 INFO L87 Difference]: Start difference. First operand has 570 states, 437 states have (on average 1.997711670480549) internal successors, (873), 569 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:41,420 INFO L93 Difference]: Finished difference Result 574 states and 873 transitions. [2025-02-07 21:22:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 21:22:41,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2025-02-07 21:22:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:41,427 INFO L225 Difference]: With dead ends: 574 [2025-02-07 21:22:41,427 INFO L226 Difference]: Without dead ends: 159 [2025-02-07 21:22:41,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-07 21:22:41,452 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 1284 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 21:22:41,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 293 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 21:22:41,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-07 21:22:41,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-02-07 21:22:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.025974025974026) internal successors, (158), 158 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 158 transitions. [2025-02-07 21:22:41,487 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 158 transitions. Word has length 55 [2025-02-07 21:22:41,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:41,487 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 158 transitions. [2025-02-07 21:22:41,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2025-02-07 21:22:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-07 21:22:41,490 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:41,491 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:22:41,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:22:41,491 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-07 21:22:41,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:41,492 INFO L85 PathProgramCache]: Analyzing trace with hash 490008906, now seen corresponding path program 1 times [2025-02-07 21:22:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:41,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070583349] [2025-02-07 21:22:41,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:41,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-07 21:22:41,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-07 21:22:41,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:41,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:22:41,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:41,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070583349] [2025-02-07 21:22:41,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070583349] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:41,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:41,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 21:22:41,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508804699] [2025-02-07 21:22:41,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:41,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 21:22:41,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:41,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 21:22:41,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 21:22:41,639 INFO L87 Difference]: Start difference. First operand 159 states and 158 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:41,716 INFO L93 Difference]: Finished difference Result 159 states and 158 transitions. [2025-02-07 21:22:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 21:22:41,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2025-02-07 21:22:41,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:41,717 INFO L225 Difference]: With dead ends: 159 [2025-02-07 21:22:41,717 INFO L226 Difference]: Without dead ends: 85 [2025-02-07 21:22:41,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-07 21:22:41,718 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 213 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 21:22:41,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 76 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 21:22:41,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-02-07 21:22:41,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-02-07 21:22:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.0120481927710843) internal successors, (84), 84 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 84 transitions. [2025-02-07 21:22:41,722 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 84 transitions. Word has length 55 [2025-02-07 21:22:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:41,722 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 84 transitions. [2025-02-07 21:22:41,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 84 transitions. [2025-02-07 21:22:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-07 21:22:41,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:22:41,723 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:22:41,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 21:22:41,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2025-02-07 21:22:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:22:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash -695457142, now seen corresponding path program 1 times [2025-02-07 21:22:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:22:41,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571621591] [2025-02-07 21:22:41,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:22:41,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:22:41,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-07 21:22:41,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-07 21:22:41,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:22:41,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:22:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:22:41,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:22:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571621591] [2025-02-07 21:22:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571621591] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:22:41,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:22:41,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 21:22:41,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090500005] [2025-02-07 21:22:41,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:22:41,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 21:22:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:22:41,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 21:22:41,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 21:22:41,860 INFO L87 Difference]: Start difference. First operand 85 states and 84 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:22:41,882 INFO L93 Difference]: Finished difference Result 85 states and 84 transitions. [2025-02-07 21:22:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 21:22:41,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2025-02-07 21:22:41,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:22:41,883 INFO L225 Difference]: With dead ends: 85 [2025-02-07 21:22:41,883 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:22:41,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-07 21:22:41,884 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 21:22:41,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 25 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:22:41,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:22:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:22:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:22:41,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2025-02-07 21:22:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:22:41,885 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:22:41,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:22:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:22:41,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:22:41,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2025-02-07 21:22:41,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2025-02-07 21:22:41,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2025-02-07 21:22:41,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2025-02-07 21:22:41,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 21:22:41,891 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-07 21:22:41,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:22:41,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:22:41,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:22:41 BoogieIcfgContainer [2025-02-07 21:22:41,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:22:41,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:22:41,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:22:41,904 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:22:41,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:22:40" (3/4) ... [2025-02-07 21:22:41,906 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:22:41,929 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:22:41,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:22:41,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:22:41,937 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:22:42,064 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:22:42,064 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:22:42,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:22:42,065 INFO L158 Benchmark]: Toolchain (without parser) took 4076.23ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 120.4MB in the beginning and 233.7MB in the end (delta: -113.3MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,065 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.95ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 72.7MB in the end (delta: 47.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.93ms. Allocated memory is still 167.8MB. Free memory was 72.7MB in the beginning and 61.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: Boogie Preprocessor took 104.16ms. Allocated memory is still 167.8MB. Free memory was 61.9MB in the beginning and 52.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: IcfgBuilder took 1568.73ms. Allocated memory is still 167.8MB. Free memory was 52.7MB in the beginning and 109.0MB in the end (delta: -56.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: TraceAbstraction took 1402.48ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 107.8MB in the beginning and 262.1MB in the end (delta: -154.3MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,066 INFO L158 Benchmark]: Witness Printer took 161.09ms. Allocated memory is still 385.9MB. Free memory was 260.7MB in the beginning and 233.7MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 21:22:42,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.95ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 72.7MB in the end (delta: 47.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.93ms. Allocated memory is still 167.8MB. Free memory was 72.7MB in the beginning and 61.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.16ms. Allocated memory is still 167.8MB. Free memory was 61.9MB in the beginning and 52.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1568.73ms. Allocated memory is still 167.8MB. Free memory was 52.7MB in the beginning and 109.0MB in the end (delta: -56.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1402.48ms. Allocated memory was 167.8MB in the beginning and 385.9MB in the end (delta: 218.1MB). Free memory was 107.8MB in the beginning and 262.1MB in the end (delta: -154.3MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Witness Printer took 161.09ms. Allocated memory is still 385.9MB. Free memory was 260.7MB in the beginning and 233.7MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1189]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1707]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1963]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2203]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2497]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2748]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3244]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3512]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3753]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 4004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 571 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1543 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1543 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 338 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:22:42,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE