./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.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_FNV_test5-3.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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:10:17,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:10:17,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-03-04 07:10:17,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:10:17,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:10:17,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:10:17,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:10:17,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:10:17,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:10:17,248 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:10:17,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:10:17,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:10:17,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:10:17,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:10:17,249 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:10:17,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:10:17,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:10:17,251 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:10:17,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:10:17,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:10:17,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:10:17,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:10:17,253 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 -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2025-03-04 07:10:17,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:10:17,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:10:17,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:10:17,486 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:10:17,486 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:10:17,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2025-03-04 07:10:18,657 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4dae3e3f/733fd1faa5284dc9b114ff35aed3c494/FLAGc1d0e2770 [2025-03-04 07:10:18,997 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:10:18,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2025-03-04 07:10:19,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4dae3e3f/733fd1faa5284dc9b114ff35aed3c494/FLAGc1d0e2770 [2025-03-04 07:10:19,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4dae3e3f/733fd1faa5284dc9b114ff35aed3c494 [2025-03-04 07:10:19,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:10:19,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:10:19,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:10:19,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:10:19,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:10:19,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:10:19" (1/1) ... [2025-03-04 07:10:19,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66750d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:19, skipping insertion in model container [2025-03-04 07:10:19,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:10:19" (1/1) ... [2025-03-04 07:10:19,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:10:19,507 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 07:10:19,532 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 07:10:19,534 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 07:10:19,536 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 07:10:19,542 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 07:10:19,567 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 07:10:19,569 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 07:10:19,570 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 07:10:19,573 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 07:10:19,591 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 07:10:19,591 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 07:10:19,592 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 07:10:19,592 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 07:10:19,593 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 07:10:19,595 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 07:10:19,596 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 07:10:19,596 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 07:10:19,597 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 07:10:19,600 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 07:10:19,600 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 07:10:19,601 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 07:10:19,601 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 07:10:19,603 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 07:10:19,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:10:19,630 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 07:10:19,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b73c920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:19, skipping insertion in model container [2025-03-04 07:10:19,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:10:19,630 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2025-03-04 07:10:19,635 INFO L158 Benchmark]: Toolchain (without parser) took 408.96ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 98.6MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:10:19,636 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 07:10:19,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.39ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 98.6MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 07:10:19,638 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.39ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 98.6MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 760]: 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_FNV_test5-3.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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:10:21,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:10:21,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2025-03-04 07:10:21,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:10:21,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:10:21,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:10:21,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:10:21,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:10:21,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 07:10:21,348 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 07:10:21,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:10:21,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:10:21,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:10:21,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:10:21,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 07:10:21,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:10:21,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:10:21,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:10:21,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 07:10:21,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:10:21,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:10:21,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:10:21,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:10:21,355 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 -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2025-03-04 07:10:21,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:10:21,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:10:21,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:10:21,573 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:10:21,574 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:10:21,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2025-03-04 07:10:22,748 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad95b68d1/c7e1bbdefd3a48d4837ced635e5f0744/FLAG5f28c3cfb [2025-03-04 07:10:22,955 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:10:22,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2025-03-04 07:10:22,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad95b68d1/c7e1bbdefd3a48d4837ced635e5f0744/FLAG5f28c3cfb [2025-03-04 07:10:23,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad95b68d1/c7e1bbdefd3a48d4837ced635e5f0744 [2025-03-04 07:10:23,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:10:23,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:10:23,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:10:23,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:10:23,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:10:23,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:23,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbfe4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23, skipping insertion in model container [2025-03-04 07:10:23,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:23,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:10:23,582 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 07:10:23,611 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 07:10:23,614 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 07:10:23,618 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 07:10:23,622 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 07:10:23,643 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 07:10:23,644 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 07:10:23,646 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 07:10:23,650 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 07:10:23,666 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 07:10:23,666 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 07:10:23,668 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 07:10:23,668 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 07:10:23,675 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 07:10:23,676 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 07:10:23,677 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 07:10:23,678 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 07:10:23,678 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 07:10:23,682 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 07:10:23,682 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 07:10:23,683 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 07:10:23,683 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 07:10:23,686 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 07:10:23,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:10:23,714 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2025-03-04 07:10:23,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:10:23,760 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 07:10:23,774 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:10:23,779 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 07:10:23,780 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 07:10:23,786 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 07:10:23,803 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 07:10:23,805 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-04 07:10:23,806 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 07:10:23,815 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 07:10:23,830 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 07:10:23,830 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 07:10:23,831 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 07:10:23,831 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 07:10:23,832 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 07:10:23,833 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 07:10:23,833 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 07:10:23,833 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 07:10:23,834 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 07:10:23,835 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 07:10:23,836 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 07:10:23,836 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 07:10:23,836 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 07:10:23,837 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 07:10:23,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:10:23,850 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:10:23,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:10:23,942 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:10:23,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23 WrapperNode [2025-03-04 07:10:23,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:10:23,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:10:23,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:10:23,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:10:23,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:23,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,043 INFO L138 Inliner]: procedures = 180, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1655 [2025-03-04 07:10:24,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:10:24,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:10:24,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:10:24,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:10:24,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,175 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 417, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 98, 1]. [2025-03-04 07:10:24,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:10:24,259 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:10:24,259 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:10:24,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:10:24,260 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (1/1) ... [2025-03-04 07:10:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:10:24,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:24,287 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 07:10:24,289 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 07:10:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 07:10:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 07:10:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 07:10:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 07:10:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 07:10:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 07:10:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 07:10:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 07:10:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 07:10:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 07:10:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-04 07:10:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:10:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:10:24,525 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:10:24,526 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:10:37,288 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2025-03-04 07:10:37,384 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-03-04 07:10:37,384 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:10:37,403 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:10:37,404 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:10:37,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:10:37 BoogieIcfgContainer [2025-03-04 07:10:37,405 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:10:37,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:10:37,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:10:37,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:10:37,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:10:23" (1/3) ... [2025-03-04 07:10:37,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f79e2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:10:37, skipping insertion in model container [2025-03-04 07:10:37,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:10:23" (2/3) ... [2025-03-04 07:10:37,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f79e2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:10:37, skipping insertion in model container [2025-03-04 07:10:37,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:10:37" (3/3) ... [2025-03-04 07:10:37,416 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-3.i [2025-03-04 07:10:37,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:10:37,427 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test5-3.i that has 6 procedures, 319 locations, 1 initial locations, 55 loop locations, and 2 error locations. [2025-03-04 07:10:37,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:10:37,468 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;@32833b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:10:37,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 07:10:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 292 states have (on average 1.667808219178082) internal successors, (487), 301 states have internal predecessors, (487), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-04 07:10:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 07:10:37,476 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:10:37,477 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:10:37,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:10:37,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:10:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1919129529, now seen corresponding path program 1 times [2025-03-04 07:10:37,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:10:37,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634143626] [2025-03-04 07:10:37,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:10:37,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:10:37,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:37,494 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 07:10:37,495 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 07:10:37,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 07:10:37,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 07:10:37,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:10:37,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:10:37,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:10:37,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:10:37,780 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 07:10:37,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:10:37,781 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:10:37,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634143626] [2025-03-04 07:10:37,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634143626] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:10:37,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:10:37,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:10:37,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54907430] [2025-03-04 07:10:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:10:37,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:10:37,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:10:37,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:10:37,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:10:37,807 INFO L87 Difference]: Start difference. First operand has 311 states, 292 states have (on average 1.667808219178082) internal successors, (487), 301 states have internal predecessors, (487), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:10:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:10:38,416 INFO L93 Difference]: Finished difference Result 471 states and 634 transitions. [2025-03-04 07:10:38,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:10:38,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-04 07:10:38,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:10:38,431 INFO L225 Difference]: With dead ends: 471 [2025-03-04 07:10:38,431 INFO L226 Difference]: Without dead ends: 469 [2025-03-04 07:10:38,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 07:10:38,434 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 207 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 07:10:38,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 786 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 07:10:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-03-04 07:10:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 416. [2025-03-04 07:10:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 394 states have (on average 1.3375634517766497) internal successors, (527), 406 states have internal predecessors, (527), 18 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-04 07:10:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 561 transitions. [2025-03-04 07:10:38,486 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 561 transitions. Word has length 8 [2025-03-04 07:10:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:10:38,486 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 561 transitions. [2025-03-04 07:10:38,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:10:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 561 transitions. [2025-03-04 07:10:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-04 07:10:38,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:10:38,487 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 07:10:38,494 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 07:10:38,687 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 07:10:38,687 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:10:38,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:10:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1919159320, now seen corresponding path program 1 times [2025-03-04 07:10:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:10:38,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778304733] [2025-03-04 07:10:38,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:10:38,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:10:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:38,691 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 07:10:38,692 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 07:10:38,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-04 07:10:38,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-04 07:10:38,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:10:38,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:10:38,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 07:10:38,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:10:38,844 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 07:10:38,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:10:38,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:10:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778304733] [2025-03-04 07:10:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778304733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:10:38,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:10:38,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:10:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961668318] [2025-03-04 07:10:38,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:10:38,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:10:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:10:38,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:10:38,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:10:38,846 INFO L87 Difference]: Start difference. First operand 416 states and 561 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:10:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:10:39,036 INFO L93 Difference]: Finished difference Result 544 states and 726 transitions. [2025-03-04 07:10:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:10:39,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-04 07:10:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:10:39,043 INFO L225 Difference]: With dead ends: 544 [2025-03-04 07:10:39,043 INFO L226 Difference]: Without dead ends: 544 [2025-03-04 07:10:39,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 07:10:39,044 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 293 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:10:39,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 831 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:10:39,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-04 07:10:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 346. [2025-03-04 07:10:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 329 states have (on average 1.3221884498480243) internal successors, (435), 336 states have internal predecessors, (435), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-04 07:10:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 459 transitions. [2025-03-04 07:10:39,062 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 459 transitions. Word has length 8 [2025-03-04 07:10:39,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:10:39,062 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 459 transitions. [2025-03-04 07:10:39,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 07:10:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 459 transitions. [2025-03-04 07:10:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-04 07:10:39,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:10:39,067 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:10:39,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 07:10:39,268 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 07:10:39,268 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:10:39,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:10:39,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1682922211, now seen corresponding path program 1 times [2025-03-04 07:10:39,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:10:39,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533399772] [2025-03-04 07:10:39,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:10:39,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:10:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:39,272 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 07:10:39,273 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 07:10:39,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-04 07:10:39,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-04 07:10:39,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:10:39,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:10:39,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:10:39,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:10:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 07:10:40,545 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:10:40,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:10:40,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533399772] [2025-03-04 07:10:40,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533399772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:10:40,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:10:40,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:10:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084567485] [2025-03-04 07:10:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:10:40,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:10:40,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:10:40,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:10:40,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:10:40,548 INFO L87 Difference]: Start difference. First operand 346 states and 459 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:10:40,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:10:40,901 INFO L93 Difference]: Finished difference Result 534 states and 714 transitions. [2025-03-04 07:10:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:10:40,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 160 [2025-03-04 07:10:40,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:10:40,908 INFO L225 Difference]: With dead ends: 534 [2025-03-04 07:10:40,908 INFO L226 Difference]: Without dead ends: 534 [2025-03-04 07:10:40,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 07:10:40,909 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 198 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 07:10:40,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 850 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 07:10:40,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-03-04 07:10:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 479. [2025-03-04 07:10:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 454 states have (on average 1.3237885462555066) internal successors, (601), 466 states have internal predecessors, (601), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 07:10:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 641 transitions. [2025-03-04 07:10:40,922 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 641 transitions. Word has length 160 [2025-03-04 07:10:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:10:40,922 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 641 transitions. [2025-03-04 07:10:40,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 07:10:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 641 transitions. [2025-03-04 07:10:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-04 07:10:40,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:10:40,925 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:10:40,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 07:10:41,127 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 07:10:41,127 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:10:41,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:10:41,128 INFO L85 PathProgramCache]: Analyzing trace with hash -342069963, now seen corresponding path program 1 times [2025-03-04 07:10:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:10:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868352633] [2025-03-04 07:10:41,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:10:41,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:10:41,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:41,131 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 07:10:41,133 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 07:10:41,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-04 07:10:41,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-04 07:10:41,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:10:41,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:10:41,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:10:41,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:10:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:10:41,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:10:41,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:10:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868352633] [2025-03-04 07:10:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868352633] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:10:41,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:10:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 07:10:41,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466197118] [2025-03-04 07:10:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:10:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 07:10:41,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:10:41,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 07:10:41,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 07:10:41,699 INFO L87 Difference]: Start difference. First operand 479 states and 641 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:10:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:10:41,816 INFO L93 Difference]: Finished difference Result 519 states and 681 transitions. [2025-03-04 07:10:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 07:10:41,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 175 [2025-03-04 07:10:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:10:41,820 INFO L225 Difference]: With dead ends: 519 [2025-03-04 07:10:41,820 INFO L226 Difference]: Without dead ends: 519 [2025-03-04 07:10:41,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 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 07:10:41,820 INFO L435 NwaCegarLoop]: 388 mSDtfsCounter, 8 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 761 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 07:10:41,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 761 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:10:41,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-03-04 07:10:41,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-03-04 07:10:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 494 states have (on average 1.2975708502024292) internal successors, (641), 506 states have internal predecessors, (641), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2025-03-04 07:10:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 681 transitions. [2025-03-04 07:10:41,837 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 681 transitions. Word has length 175 [2025-03-04 07:10:41,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:10:41,837 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 681 transitions. [2025-03-04 07:10:41,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:10:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 681 transitions. [2025-03-04 07:10:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-04 07:10:41,839 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:10:41,839 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:10:41,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 07:10:42,039 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 07:10:42,040 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:10:42,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:10:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash -591348364, now seen corresponding path program 1 times [2025-03-04 07:10:42,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:10:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224536024] [2025-03-04 07:10:42,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:10:42,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:10:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:10:42,044 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 07:10:42,045 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 07:10:42,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-04 07:10:42,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-04 07:10:42,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:10:42,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:10:42,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:10:42,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:10:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:10:42,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:10:42,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:10:42,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224536024] [2025-03-04 07:10:42,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224536024] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:10:42,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:10:42,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:10:42,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652567285] [2025-03-04 07:10:42,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:10:42,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:10:42,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:10:42,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:10:42,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:10:42,990 INFO L87 Difference]: Start difference. First operand 519 states and 681 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:10:47,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:10:51,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:10:55,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:10:59,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:11:06,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 07:11:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:08,523 INFO L93 Difference]: Finished difference Result 466 states and 602 transitions. [2025-03-04 07:11:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:11:08,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 175 [2025-03-04 07:11:08,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:08,526 INFO L225 Difference]: With dead ends: 466 [2025-03-04 07:11:08,526 INFO L226 Difference]: Without dead ends: 466 [2025-03-04 07:11:08,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 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 07:11:08,526 INFO L435 NwaCegarLoop]: 472 mSDtfsCounter, 517 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:08,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 721 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 5 Unknown, 0 Unchecked, 25.5s Time] [2025-03-04 07:11:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2025-03-04 07:11:08,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2025-03-04 07:11:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 446 states have (on average 1.2825112107623318) internal successors, (572), 453 states have internal predecessors, (572), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 07:11:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 602 transitions. [2025-03-04 07:11:08,534 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 602 transitions. Word has length 175 [2025-03-04 07:11:08,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:08,534 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 602 transitions. [2025-03-04 07:11:08,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:11:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 602 transitions. [2025-03-04 07:11:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-04 07:11:08,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:08,536 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:08,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 07:11:08,736 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 07:11:08,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:08,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:08,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1492668832, now seen corresponding path program 1 times [2025-03-04 07:11:08,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:08,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624430771] [2025-03-04 07:11:08,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:08,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:08,740 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 07:11:08,740 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 07:11:09,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-04 07:11:09,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-04 07:11:09,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:09,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:09,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:11:09,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 07:11:09,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:11:09,268 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:09,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624430771] [2025-03-04 07:11:09,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624430771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:11:09,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:11:09,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:11:09,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712787782] [2025-03-04 07:11:09,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:11:09,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:11:09,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:09,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:11:09,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:11:09,270 INFO L87 Difference]: Start difference. First operand 466 states and 602 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:11:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:09,386 INFO L93 Difference]: Finished difference Result 432 states and 546 transitions. [2025-03-04 07:11:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:11:09,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2025-03-04 07:11:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:09,387 INFO L225 Difference]: With dead ends: 432 [2025-03-04 07:11:09,387 INFO L226 Difference]: Without dead ends: 432 [2025-03-04 07:11:09,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 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 07:11:09,388 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 32 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1111 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 07:11:09,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1111 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:11:09,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2025-03-04 07:11:09,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2025-03-04 07:11:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 412 states have (on average 1.2524271844660195) internal successors, (516), 419 states have internal predecessors, (516), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 07:11:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 546 transitions. [2025-03-04 07:11:09,398 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 546 transitions. Word has length 183 [2025-03-04 07:11:09,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:09,398 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 546 transitions. [2025-03-04 07:11:09,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:11:09,398 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 546 transitions. [2025-03-04 07:11:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-04 07:11:09,400 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:09,400 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:09,418 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 07:11:09,600 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 07:11:09,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:09,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:09,601 INFO L85 PathProgramCache]: Analyzing trace with hash 719253159, now seen corresponding path program 1 times [2025-03-04 07:11:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:09,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926670934] [2025-03-04 07:11:09,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:09,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:09,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:09,603 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 07:11:09,604 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 07:11:09,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-04 07:11:10,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-04 07:11:10,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:10,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:10,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:11:10,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 07:11:10,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:11:10,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:10,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926670934] [2025-03-04 07:11:10,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926670934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:11:10,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:11:10,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:11:10,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413637180] [2025-03-04 07:11:10,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:11:10,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:11:10,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:10,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:11:10,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:11:10,175 INFO L87 Difference]: Start difference. First operand 432 states and 546 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:11:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:10,266 INFO L93 Difference]: Finished difference Result 438 states and 536 transitions. [2025-03-04 07:11:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:11:10,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 183 [2025-03-04 07:11:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:10,268 INFO L225 Difference]: With dead ends: 438 [2025-03-04 07:11:10,268 INFO L226 Difference]: Without dead ends: 438 [2025-03-04 07:11:10,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 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 07:11:10,268 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 30 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:10,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1082 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:11:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-03-04 07:11:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2025-03-04 07:11:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 418 states have (on average 1.2105263157894737) internal successors, (506), 425 states have internal predecessors, (506), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 07:11:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 536 transitions. [2025-03-04 07:11:10,275 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 536 transitions. Word has length 183 [2025-03-04 07:11:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:10,275 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 536 transitions. [2025-03-04 07:11:10,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:11:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 536 transitions. [2025-03-04 07:11:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-04 07:11:10,277 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:10,277 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:10,295 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 07:11:10,477 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 07:11:10,478 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:10,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash -642694226, now seen corresponding path program 1 times [2025-03-04 07:11:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:10,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1055095712] [2025-03-04 07:11:10,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:10,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:10,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:10,481 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 07:11:10,482 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 07:11:10,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-04 07:11:10,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-04 07:11:10,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:10,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:11,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:11:11,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-04 07:11:11,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:11:11,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:11,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055095712] [2025-03-04 07:11:11,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055095712] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:11:11,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:11:11,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:11:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44231898] [2025-03-04 07:11:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:11:11,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:11:11,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:11,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:11:11,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:11:11,046 INFO L87 Difference]: Start difference. First operand 438 states and 536 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:11:11,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:11,144 INFO L93 Difference]: Finished difference Result 441 states and 531 transitions. [2025-03-04 07:11:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 07:11:11,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2025-03-04 07:11:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:11,146 INFO L225 Difference]: With dead ends: 441 [2025-03-04 07:11:11,146 INFO L226 Difference]: Without dead ends: 441 [2025-03-04 07:11:11,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 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 07:11:11,147 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 30 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:11,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1049 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:11:11,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-03-04 07:11:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2025-03-04 07:11:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 421 states have (on average 1.190023752969121) internal successors, (501), 428 states have internal predecessors, (501), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 07:11:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 531 transitions. [2025-03-04 07:11:11,154 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 531 transitions. Word has length 183 [2025-03-04 07:11:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:11,155 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 531 transitions. [2025-03-04 07:11:11,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-04 07:11:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 531 transitions. [2025-03-04 07:11:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-04 07:11:11,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:11,157 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:11,175 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 07:11:11,357 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 07:11:11,358 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:11,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:11,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1778209785, now seen corresponding path program 1 times [2025-03-04 07:11:11,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:11,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221589829] [2025-03-04 07:11:11,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:11,361 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 07:11:11,362 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 07:11:11,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-04 07:11:11,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-04 07:11:11,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:11,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:11,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:11:11,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-04 07:11:11,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 07:11:11,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:11,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221589829] [2025-03-04 07:11:11,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221589829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:11:11,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:11:11,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 07:11:11,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915210278] [2025-03-04 07:11:11,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:11:11,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 07:11:11,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:11,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 07:11:11,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 07:11:11,953 INFO L87 Difference]: Start difference. First operand 441 states and 531 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:11:12,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:12,006 INFO L93 Difference]: Finished difference Result 444 states and 537 transitions. [2025-03-04 07:11:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 07:11:12,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 183 [2025-03-04 07:11:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:12,008 INFO L225 Difference]: With dead ends: 444 [2025-03-04 07:11:12,008 INFO L226 Difference]: Without dead ends: 444 [2025-03-04 07:11:12,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 180 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 07:11:12,008 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 0 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:12,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1103 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 07:11:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-03-04 07:11:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-03-04 07:11:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 423 states have (on average 1.1914893617021276) internal successors, (504), 431 states have internal predecessors, (504), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (17), 10 states have call predecessors, (17), 14 states have call successors, (17) [2025-03-04 07:11:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 537 transitions. [2025-03-04 07:11:12,015 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 537 transitions. Word has length 183 [2025-03-04 07:11:12,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:12,015 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 537 transitions. [2025-03-04 07:11:12,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 07:11:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 537 transitions. [2025-03-04 07:11:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-04 07:11:12,017 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:12,017 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:12,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 07:11:12,218 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 07:11:12,218 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:12,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:12,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1317748687, now seen corresponding path program 1 times [2025-03-04 07:11:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:12,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547209978] [2025-03-04 07:11:12,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:12,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:12,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:12,221 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 07:11:12,222 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 07:11:12,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-04 07:11:12,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-04 07:11:12,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:12,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:12,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 07:11:12,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 07:11:13,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:11:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 07:11:13,386 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:13,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547209978] [2025-03-04 07:11:13,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547209978] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:11:13,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:11:13,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-03-04 07:11:13,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904192295] [2025-03-04 07:11:13,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:11:13,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 07:11:13,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:13,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 07:11:13,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-04 07:11:13,388 INFO L87 Difference]: Start difference. First operand 444 states and 537 transitions. Second operand has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-04 07:11:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:13,901 INFO L93 Difference]: Finished difference Result 959 states and 1170 transitions. [2025-03-04 07:11:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 07:11:13,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 187 [2025-03-04 07:11:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:13,905 INFO L225 Difference]: With dead ends: 959 [2025-03-04 07:11:13,905 INFO L226 Difference]: Without dead ends: 959 [2025-03-04 07:11:13,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-04 07:11:13,905 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 1126 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:13,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1741 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 07:11:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2025-03-04 07:11:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 885. [2025-03-04 07:11:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 850 states have (on average 1.1870588235294117) internal successors, (1009), 863 states have internal predecessors, (1009), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36) [2025-03-04 07:11:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1075 transitions. [2025-03-04 07:11:13,922 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1075 transitions. Word has length 187 [2025-03-04 07:11:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:13,922 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1075 transitions. [2025-03-04 07:11:13,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-04 07:11:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1075 transitions. [2025-03-04 07:11:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2025-03-04 07:11:13,926 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:13,927 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:13,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 07:11:14,127 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 07:11:14,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash -764063664, now seen corresponding path program 1 times [2025-03-04 07:11:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182157034] [2025-03-04 07:11:14,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:11:14,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:14,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:14,132 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 07:11:14,133 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 07:11:14,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 493 statements into 1 equivalence classes. [2025-03-04 07:11:15,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 493 of 493 statements. [2025-03-04 07:11:15,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:11:15,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:15,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 2342 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 07:11:15,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 140 proven. 1 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2025-03-04 07:11:15,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:11:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 112 proven. 13 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2025-03-04 07:11:15,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:15,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182157034] [2025-03-04 07:11:15,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182157034] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:11:15,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:11:15,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-04 07:11:15,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302410347] [2025-03-04 07:11:15,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:11:15,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 07:11:15,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:15,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 07:11:15,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-04 07:11:15,586 INFO L87 Difference]: Start difference. First operand 885 states and 1075 transitions. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-04 07:11:15,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:15,758 INFO L93 Difference]: Finished difference Result 896 states and 1106 transitions. [2025-03-04 07:11:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 07:11:15,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 493 [2025-03-04 07:11:15,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:15,762 INFO L225 Difference]: With dead ends: 896 [2025-03-04 07:11:15,762 INFO L226 Difference]: Without dead ends: 896 [2025-03-04 07:11:15,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 978 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 07:11:15,763 INFO L435 NwaCegarLoop]: 368 mSDtfsCounter, 4 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:15,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2188 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 07:11:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2025-03-04 07:11:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 894. [2025-03-04 07:11:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 858 states have (on average 1.1923076923076923) internal successors, (1023), 871 states have internal predecessors, (1023), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (44), 20 states have call predecessors, (44), 28 states have call successors, (44) [2025-03-04 07:11:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1097 transitions. [2025-03-04 07:11:15,780 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1097 transitions. Word has length 493 [2025-03-04 07:11:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:15,780 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1097 transitions. [2025-03-04 07:11:15,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-04 07:11:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1097 transitions. [2025-03-04 07:11:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2025-03-04 07:11:15,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:15,785 INFO L218 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:15,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-04 07:11:15,985 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 07:11:15,985 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:15,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash -414862712, now seen corresponding path program 2 times [2025-03-04 07:11:15,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:15,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563583586] [2025-03-04 07:11:15,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 07:11:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:15,989 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 07:11:15,990 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 07:11:16,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 501 statements into 2 equivalence classes. [2025-03-04 07:11:17,341 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 501 of 501 statements. [2025-03-04 07:11:17,342 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 07:11:17,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:11:17,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 07:11:17,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 07:11:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 154 proven. 3 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2025-03-04 07:11:17,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 07:11:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 106 proven. 48 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2025-03-04 07:11:17,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 07:11:17,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563583586] [2025-03-04 07:11:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563583586] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 07:11:17,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 07:11:17,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 07:11:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034679345] [2025-03-04 07:11:17,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 07:11:17,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 07:11:17,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 07:11:17,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 07:11:17,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 07:11:17,646 INFO L87 Difference]: Start difference. First operand 894 states and 1097 transitions. Second operand has 10 states, 10 states have (on average 22.0) internal successors, (220), 10 states have internal predecessors, (220), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-04 07:11:17,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 07:11:17,902 INFO L93 Difference]: Finished difference Result 902 states and 1107 transitions. [2025-03-04 07:11:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 07:11:17,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.0) internal successors, (220), 10 states have internal predecessors, (220), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 501 [2025-03-04 07:11:17,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 07:11:17,905 INFO L225 Difference]: With dead ends: 902 [2025-03-04 07:11:17,905 INFO L226 Difference]: Without dead ends: 900 [2025-03-04 07:11:17,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1005 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2025-03-04 07:11:17,906 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 6 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 07:11:17,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1471 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 07:11:17,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2025-03-04 07:11:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 898. [2025-03-04 07:11:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 862 states have (on average 1.1937354988399071) internal successors, (1029), 875 states have internal predecessors, (1029), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36) [2025-03-04 07:11:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1095 transitions. [2025-03-04 07:11:17,919 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1095 transitions. Word has length 501 [2025-03-04 07:11:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 07:11:17,920 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1095 transitions. [2025-03-04 07:11:17,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.0) internal successors, (220), 10 states have internal predecessors, (220), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-04 07:11:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1095 transitions. [2025-03-04 07:11:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2025-03-04 07:11:17,922 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 07:11:17,923 INFO L218 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:17,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 07:11:18,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:18,124 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-03-04 07:11:18,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:11:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1793830536, now seen corresponding path program 3 times [2025-03-04 07:11:18,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 07:11:18,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910621614] [2025-03-04 07:11:18,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 07:11:18,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 07:11:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:11:18,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 07:11:18,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 07:11:18,779 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 509 statements into 16 equivalence classes.