./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:23,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:23,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-14 05:35:23,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:23,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:23,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:23,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:23,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:23,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:23,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:23,727 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:23,727 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:23,727 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:23,727 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:35:23,728 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:23,728 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:23,728 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:35:23,728 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:35:23,728 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:23,731 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:35:23,731 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:35:23,731 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:35:23,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 05:35:23,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 05:35:23,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:23,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:23,732 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:35:23,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:23,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:23,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:23,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:23,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:23,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:23,736 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:35:23,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:35:23,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:23,736 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:23,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:35:23,738 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2024-11-14 05:35:24,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:24,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:24,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:24,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:24,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:24,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i Unable to find full path for "g++" [2024-11-14 05:35:26,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:26,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:26,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2024-11-14 05:35:26,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/0fa8c0204/2bf016b7afe647d2a67c452b3098790b/FLAG7e62ff4fd [2024-11-14 05:35:26,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/0fa8c0204/2bf016b7afe647d2a67c452b3098790b [2024-11-14 05:35:26,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:26,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:26,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:26,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:26,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:26,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:26" (1/1) ... [2024-11-14 05:35:26,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61543159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:26, skipping insertion in model container [2024-11-14 05:35:26,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:26" (1/1) ... [2024-11-14 05:35:26,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:27,273 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,326 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,338 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,350 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,365 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,385 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,386 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,389 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,392 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,393 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,394 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,400 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:27,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:27,419 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) [2024-11-14 05:35:27,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1639dde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:27, skipping insertion in model container [2024-11-14 05:35:27,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:27,420 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-14 05:35:27,422 INFO L158 Benchmark]: Toolchain (without parser) took 742.26ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 99.5MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:35:27,423 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:27,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.27ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.5MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:35:27,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.27ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.5MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 764]: 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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:30,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:30,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-14 05:35:30,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:30,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:30,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:30,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:30,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:30,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:30,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:30,446 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:30,447 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:30,447 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:30,447 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:30,447 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:30,447 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:30,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 05:35:30,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 05:35:30,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:30,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:30,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 05:35:30,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:35:30,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:30,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:30,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:30,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:35:30,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:30,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:30,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:30,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:30,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:30,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:35:30,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:35:30,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:30,453 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:30,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> f0b44034f537cfca2c2eab71fbff4de4b57572a56ff00cd4bbb31f940e955385 [2024-11-14 05:35:30,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:30,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:30,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:30,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:30,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:30,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i Unable to find full path for "g++" [2024-11-14 05:35:33,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:33,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:33,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-2.i [2024-11-14 05:35:33,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/743769c14/457997aa5767460ab8f084347c566f43/FLAG2f1343312 [2024-11-14 05:35:33,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/data/743769c14/457997aa5767460ab8f084347c566f43 [2024-11-14 05:35:33,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:33,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:33,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:33,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:33,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:33,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:33" (1/1) ... [2024-11-14 05:35:33,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f948ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:33, skipping insertion in model container [2024-11-14 05:35:33,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:33" (1/1) ... [2024-11-14 05:35:33,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:34,181 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,259 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,268 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,274 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,284 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,317 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,319 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,323 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,325 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,327 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,328 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,339 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:34,362 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-14 05:35:34,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:34,451 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,483 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,486 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,490 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,500 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,516 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,517 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,520 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,522 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,523 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,525 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,533 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:35:34,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:34,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:35:34,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:34,754 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:35:34,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34 WrapperNode [2024-11-14 05:35:34,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:34,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:34,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:35:34,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:35:34,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,872 INFO L138 Inliner]: procedures = 179, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 769 [2024-11-14 05:35:34,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:34,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:35:34,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:35:34,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:35:34,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:34,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:35:34,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:35:34,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:35:34,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:35:34,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (1/1) ... [2024-11-14 05:35:35,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:35,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:35:35,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:35:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 05:35:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:35:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:35:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:35:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:35:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:35:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:35:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:35:35,404 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:35:35,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:35:42,120 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-14 05:35:42,120 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:35:42,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:35:42,135 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-14 05:35:42,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:42 BoogieIcfgContainer [2024-11-14 05:35:42,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:35:42,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:35:42,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:35:42,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:35:42,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:35:33" (1/3) ... [2024-11-14 05:35:42,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b59738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:42, skipping insertion in model container [2024-11-14 05:35:42,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:34" (2/3) ... [2024-11-14 05:35:42,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b59738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:42, skipping insertion in model container [2024-11-14 05:35:42,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:42" (3/3) ... [2024-11-14 05:35:42,147 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-2.i [2024-11-14 05:35:42,173 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:35:42,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test1-2.i that has 3 procedures, 162 locations, 1 initial locations, 24 loop locations, and 2 error locations. [2024-11-14 05:35:42,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:35:42,250 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=FINITE_AUTOMATA, 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;@4a9ae926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:35:42,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:35:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 144 states have (on average 1.6597222222222223) internal successors, (239), 156 states have internal predecessors, (239), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:35:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:35:42,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:42,266 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:42,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:42,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:42,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1769197361, now seen corresponding path program 1 times [2024-11-14 05:35:42,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:42,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959633333] [2024-11-14 05:35:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:42,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:42,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:42,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:35:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:42,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:35:42,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:35:42,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:42,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:42,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959633333] [2024-11-14 05:35:42,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959633333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:42,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:42,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:35:42,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31474094] [2024-11-14 05:35:42,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:42,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:35:42,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:42,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:35:42,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:35:42,602 INFO L87 Difference]: Start difference. First operand has 162 states, 144 states have (on average 1.6597222222222223) internal successors, (239), 156 states have internal predecessors, (239), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:42,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:42,894 INFO L93 Difference]: Finished difference Result 250 states and 333 transitions. [2024-11-14 05:35:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:35:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 05:35:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:42,913 INFO L225 Difference]: With dead ends: 250 [2024-11-14 05:35:42,914 INFO L226 Difference]: Without dead ends: 248 [2024-11-14 05:35:42,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:35:42,922 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 108 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:42,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 427 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:35:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-14 05:35:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 160. [2024-11-14 05:35:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 143 states have (on average 1.3356643356643356) internal successors, (191), 154 states have internal predecessors, (191), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:35:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2024-11-14 05:35:42,992 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 11 [2024-11-14 05:35:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:42,992 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2024-11-14 05:35:42,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2024-11-14 05:35:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 05:35:42,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:42,996 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:43,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:35:43,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:43,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:43,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:43,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1976773215, now seen corresponding path program 1 times [2024-11-14 05:35:43,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:43,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277753889] [2024-11-14 05:35:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:43,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:43,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:43,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:35:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:43,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:35:43,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:35:43,893 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:43,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:43,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277753889] [2024-11-14 05:35:43,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277753889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:43,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:43,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:35:43,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748906513] [2024-11-14 05:35:43,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:43,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:35:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:43,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:35:43,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:43,905 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:44,143 INFO L93 Difference]: Finished difference Result 163 states and 212 transitions. [2024-11-14 05:35:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:35:44,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-14 05:35:44,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:44,145 INFO L225 Difference]: With dead ends: 163 [2024-11-14 05:35:44,146 INFO L226 Difference]: Without dead ends: 163 [2024-11-14 05:35:44,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:44,147 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 33 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:44,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 537 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:35:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-14 05:35:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-14 05:35:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 146 states have (on average 1.273972602739726) internal successors, (186), 157 states have internal predecessors, (186), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:35:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 212 transitions. [2024-11-14 05:35:44,163 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 212 transitions. Word has length 66 [2024-11-14 05:35:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:44,163 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 212 transitions. [2024-11-14 05:35:44,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 212 transitions. [2024-11-14 05:35:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 05:35:44,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:44,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:44,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:35:44,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:44,371 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:44,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1380185683, now seen corresponding path program 1 times [2024-11-14 05:35:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467777911] [2024-11-14 05:35:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:44,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:44,375 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:44,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:35:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:44,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:35:44,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:35:45,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:45,113 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:45,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467777911] [2024-11-14 05:35:45,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467777911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:45,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:45,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:35:45,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337974396] [2024-11-14 05:35:45,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:45,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:35:45,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:45,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:35:45,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:45,119 INFO L87 Difference]: Start difference. First operand 163 states and 212 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:45,268 INFO L93 Difference]: Finished difference Result 157 states and 202 transitions. [2024-11-14 05:35:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:35:45,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-14 05:35:45,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:45,271 INFO L225 Difference]: With dead ends: 157 [2024-11-14 05:35:45,271 INFO L226 Difference]: Without dead ends: 157 [2024-11-14 05:35:45,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:45,273 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:45,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 536 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:35:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-14 05:35:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-14 05:35:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 140 states have (on average 1.2571428571428571) internal successors, (176), 151 states have internal predecessors, (176), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:35:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 202 transitions. [2024-11-14 05:35:45,286 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 202 transitions. Word has length 66 [2024-11-14 05:35:45,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:45,286 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 202 transitions. [2024-11-14 05:35:45,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 202 transitions. [2024-11-14 05:35:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-14 05:35:45,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:45,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:45,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:35:45,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:45,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:45,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1491055529, now seen corresponding path program 1 times [2024-11-14 05:35:45,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:45,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431036297] [2024-11-14 05:35:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:45,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:45,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:45,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:35:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:45,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:35:45,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:35:46,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:46,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:46,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431036297] [2024-11-14 05:35:46,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431036297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:46,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:46,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:35:46,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606982928] [2024-11-14 05:35:46,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:46,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:35:46,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:46,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:35:46,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:35:46,481 INFO L87 Difference]: Start difference. First operand 157 states and 202 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:47,393 INFO L93 Difference]: Finished difference Result 223 states and 277 transitions. [2024-11-14 05:35:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:35:47,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-14 05:35:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:47,402 INFO L225 Difference]: With dead ends: 223 [2024-11-14 05:35:47,402 INFO L226 Difference]: Without dead ends: 223 [2024-11-14 05:35:47,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:35:47,403 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 37 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:47,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 405 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 05:35:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-14 05:35:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 193. [2024-11-14 05:35:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 187 states have internal predecessors, (212), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:35:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-11-14 05:35:47,436 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 66 [2024-11-14 05:35:47,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:47,436 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-11-14 05:35:47,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:35:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-11-14 05:35:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 05:35:47,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:47,439 INFO L215 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] [2024-11-14 05:35:47,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:35:47,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:47,640 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:47,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1555190901, now seen corresponding path program 1 times [2024-11-14 05:35:47,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:47,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497179214] [2024-11-14 05:35:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:47,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:47,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:35:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:48,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:35:48,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:35:48,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:48,252 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497179214] [2024-11-14 05:35:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497179214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:48,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:48,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:35:48,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687995856] [2024-11-14 05:35:48,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:48,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:35:48,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:48,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:35:48,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:35:48,254 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:35:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:48,314 INFO L93 Difference]: Finished difference Result 196 states and 242 transitions. [2024-11-14 05:35:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:35:48,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-14 05:35:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:48,316 INFO L225 Difference]: With dead ends: 196 [2024-11-14 05:35:48,317 INFO L226 Difference]: Without dead ends: 196 [2024-11-14 05:35:48,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:35:48,318 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:48,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:35:48,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-14 05:35:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-14 05:35:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 178 states have (on average 1.2078651685393258) internal successors, (215), 190 states have internal predecessors, (215), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-14 05:35:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-14 05:35:48,341 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 81 [2024-11-14 05:35:48,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:48,341 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-14 05:35:48,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:35:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-14 05:35:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:35:48,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:48,348 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:48,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:35:48,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:48,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:48,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:48,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1766877587, now seen corresponding path program 1 times [2024-11-14 05:35:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:48,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068890385] [2024-11-14 05:35:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:48,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:48,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:48,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:35:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:49,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:35:49,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:35:49,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:35:49,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:49,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068890385] [2024-11-14 05:35:49,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068890385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:49,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1103463077] [2024-11-14 05:35:49,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:35:49,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:35:49,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:35:49,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 05:35:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:50,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:35:50,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:35:50,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:35:50,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1103463077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:50,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252771522] [2024-11-14 05:35:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:50,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:35:50,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:50,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:35:50,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 05:35:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:50,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:35:50,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 05:35:51,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 05:35:51,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252771522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:51,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:35:51,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 4, 4] total 12 [2024-11-14 05:35:51,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102904996] [2024-11-14 05:35:51,678 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:35:51,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:35:51,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:51,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:35:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:35:51,680 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 05:35:53,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:53,189 INFO L93 Difference]: Finished difference Result 427 states and 525 transitions. [2024-11-14 05:35:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 05:35:53,190 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 83 [2024-11-14 05:35:53,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:53,193 INFO L225 Difference]: With dead ends: 427 [2024-11-14 05:35:53,193 INFO L226 Difference]: Without dead ends: 427 [2024-11-14 05:35:53,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-14 05:35:53,197 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 418 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:53,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1779 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 05:35:53,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-14 05:35:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 425. [2024-11-14 05:35:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 397 states have (on average 1.1889168765743072) internal successors, (472), 409 states have internal predecessors, (472), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-11-14 05:35:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 520 transitions. [2024-11-14 05:35:53,234 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 520 transitions. Word has length 83 [2024-11-14 05:35:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:53,234 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 520 transitions. [2024-11-14 05:35:53,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 05:35:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 520 transitions. [2024-11-14 05:35:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-14 05:35:53,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:53,239 INFO L215 NwaCegarLoop]: trace histogram [6, 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, 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] [2024-11-14 05:35:53,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 05:35:53,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 05:35:53,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 05:35:53,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:53,840 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:35:53,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 764465491, now seen corresponding path program 1 times [2024-11-14 05:35:53,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:53,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747027044] [2024-11-14 05:35:53,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:53,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:53,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:53,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:53,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:35:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:55,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:35:55,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-14 05:35:55,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 112 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 05:35:55,689 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747027044] [2024-11-14 05:35:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747027044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1562747363] [2024-11-14 05:35:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:55,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:35:55,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:35:55,692 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:35:55,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 05:35:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:57,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:35:57,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-14 05:35:58,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 112 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 05:35:58,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1562747363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:58,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77034219] [2024-11-14 05:35:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:58,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:35:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:58,223 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:35:58,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 05:35:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:59,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:35:59,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-14 05:35:59,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-14 05:35:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77034219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:35:59,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:35:59,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2024-11-14 05:35:59,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080754939] [2024-11-14 05:35:59,961 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:35:59,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 05:35:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:59,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 05:35:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-14 05:35:59,965 INFO L87 Difference]: Start difference. First operand 425 states and 520 transitions. Second operand has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 05:36:01,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:01,309 INFO L93 Difference]: Finished difference Result 447 states and 557 transitions. [2024-11-14 05:36:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 05:36:01,310 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 252 [2024-11-14 05:36:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:01,315 INFO L225 Difference]: With dead ends: 447 [2024-11-14 05:36:01,315 INFO L226 Difference]: Without dead ends: 441 [2024-11-14 05:36:01,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1525 GetRequests, 1488 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=403, Invalid=1079, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 05:36:01,317 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 23 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:01,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2334 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:36:01,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-14 05:36:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2024-11-14 05:36:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 409 states have (on average 1.1931540342298288) internal successors, (488), 421 states have internal predecessors, (488), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-11-14 05:36:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 536 transitions. [2024-11-14 05:36:01,345 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 536 transitions. Word has length 252 [2024-11-14 05:36:01,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:01,346 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 536 transitions. [2024-11-14 05:36:01,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (5), 2 states have call predecessors, (5), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 05:36:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 536 transitions. [2024-11-14 05:36:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-14 05:36:01,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:01,350 INFO L215 NwaCegarLoop]: trace histogram [18, 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, 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] [2024-11-14 05:36:01,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 05:36:01,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 05:36:01,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 05:36:01,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:01,951 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:36:01,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1251522451, now seen corresponding path program 2 times [2024-11-14 05:36:01,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:01,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932225917] [2024-11-14 05:36:01,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:36:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:01,954 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:36:01,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 05:36:03,352 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 05:36:03,353 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:36:03,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 05:36:03,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 214 proven. 55 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-14 05:36:03,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 112 proven. 156 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-14 05:36:04,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:04,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932225917] [2024-11-14 05:36:04,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932225917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:36:04,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145778586] [2024-11-14 05:36:04,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:36:04,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:04,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:36:04,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:36:04,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-14 05:36:07,026 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 05:36:07,027 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:36:07,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 05:36:07,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 214 proven. 55 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-14 05:36:07,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 112 proven. 156 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-14 05:36:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [145778586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:36:07,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654829064] [2024-11-14 05:36:07,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:36:07,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:36:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:07,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:36:07,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 05:36:08,814 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 05:36:08,814 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:36:08,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:36:08,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-14 05:36:10,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-14 05:36:11,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654829064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:36:11,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:36:11,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14, 7, 7] total 36 [2024-11-14 05:36:11,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103691287] [2024-11-14 05:36:11,726 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:36:11,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-14 05:36:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:11,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-14 05:36:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1022, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 05:36:11,730 INFO L87 Difference]: Start difference. First operand 437 states and 536 transitions. Second operand has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 05:36:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:23,299 INFO L93 Difference]: Finished difference Result 974 states and 1185 transitions. [2024-11-14 05:36:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 05:36:23,300 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 264 [2024-11-14 05:36:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:23,305 INFO L225 Difference]: With dead ends: 974 [2024-11-14 05:36:23,305 INFO L226 Difference]: Without dead ends: 970 [2024-11-14 05:36:23,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1607 GetRequests, 1548 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=821, Invalid=2839, Unknown=0, NotChecked=0, Total=3660 [2024-11-14 05:36:23,307 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 1303 mSDsluCounter, 9007 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 9579 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:23,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 9579 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-14 05:36:23,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-11-14 05:36:23,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 968. [2024-11-14 05:36:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 922 states have (on average 1.1605206073752712) internal successors, (1070), 934 states have internal predecessors, (1070), 40 states have call successors, (40), 3 states have call predecessors, (40), 4 states have return successors, (50), 31 states have call predecessors, (50), 40 states have call successors, (50) [2024-11-14 05:36:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1160 transitions. [2024-11-14 05:36:23,341 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1160 transitions. Word has length 264 [2024-11-14 05:36:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:23,341 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1160 transitions. [2024-11-14 05:36:23,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 05:36:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1160 transitions. [2024-11-14 05:36:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2024-11-14 05:36:23,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:23,356 INFO L215 NwaCegarLoop]: trace histogram [33, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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] [2024-11-14 05:36:23,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-14 05:36:23,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-14 05:36:23,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-14 05:36:23,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:36:23,957 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 05:36:23,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1751598711, now seen corresponding path program 3 times [2024-11-14 05:36:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:23,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684698072] [2024-11-14 05:36:23,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 05:36:23,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:23,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:23,961 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:36:23,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41349767-3045-4c59-8aeb-44b6ce2446bc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process