./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:27:32,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:27:32,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-13 23:27:32,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:27:32,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:27:32,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:27:32,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:27:32,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:27:32,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:27:32,612 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:27:32,612 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:27:32,613 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:27:32,613 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:27:32,613 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:27:32,613 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:27:32,613 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:27:32,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:27:32,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:27:32,614 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:27:32,617 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:27:32,617 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 23:27:32,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:27:32,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:27:32,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:27:32,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:27:32,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:27:32,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:27:32,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:27:32,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:27:32,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:27:32,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:27:32,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:27:32,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:27:32,620 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:27:32,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:27:32,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:27:32,621 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:27:32,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:27:32,621 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_70bc9bc9-d87f-4227-920a-18777c478602/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-13 23:27:33,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:27:33,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:27:33,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:27:33,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:27:33,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:27:33,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i Unable to find full path for "g++" [2024-11-13 23:27:35,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:27:35,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:27:35,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-13 23:27:35,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/87d37e562/f1e55ea1700747e9bf6325b66b5ad569/FLAG1823a6b6e [2024-11-13 23:27:35,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/87d37e562/f1e55ea1700747e9bf6325b66b5ad569 [2024-11-13 23:27:35,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:27:35,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:27:35,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:35,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:27:35,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:27:35,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:35" (1/1) ... [2024-11-13 23:27:35,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9662f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:35, skipping insertion in model container [2024-11-13 23:27:35,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:35" (1/1) ... [2024-11-13 23:27:35,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:27:36,704 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:36,723 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:36,731 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:36,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:36,782 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) [2024-11-13 23:27:36,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71dd3685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:36, skipping insertion in model container [2024-11-13 23:27:36,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:36,784 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-13 23:27:36,787 INFO L158 Benchmark]: Toolchain (without parser) took 890.64ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 62.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:27:36,788 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:36,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.42ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 62.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:27:36,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.42ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 62.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3904]: 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_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:27:39,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:27:39,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-13 23:27:40,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:27:40,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:27:40,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:27:40,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:27:40,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:27:40,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:27:40,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:27:40,032 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:27:40,032 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:27:40,032 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:27:40,032 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:27:40,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:27:40,033 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:27:40,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:27:40,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:27:40,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:27:40,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:27:40,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:27:40,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:27:40,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:27:40,034 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:27:40,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:27:40,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:27:40,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:27:40,036 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:27:40,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:40,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:27:40,037 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:27:40,037 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_70bc9bc9-d87f-4227-920a-18777c478602/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-13 23:27:40,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:27:40,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:27:40,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:27:40,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:27:40,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:27:40,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i Unable to find full path for "g++" [2024-11-13 23:27:42,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:27:43,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:27:43,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-13 23:27:43,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/889f6d410/17721de70b194c6f9324e11179aa71f9/FLAGe794776d5 [2024-11-13 23:27:43,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/data/889f6d410/17721de70b194c6f9324e11179aa71f9 [2024-11-13 23:27:43,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:27:43,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:27:43,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:43,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:27:43,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:27:43,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:43" (1/1) ... [2024-11-13 23:27:43,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cc05c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:43, skipping insertion in model container [2024-11-13 23:27:43,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:43" (1/1) ... [2024-11-13 23:27:43,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:27:43,929 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:43,944 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:43,953 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:43,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:43,993 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-13 23:27:44,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:27:44,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:44,097 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:44,099 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:27:44,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:44,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:27:44,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:44,366 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:27:44,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44 WrapperNode [2024-11-13 23:27:44,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:44,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:44,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:27:44,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:27:44,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,449 INFO L138 Inliner]: procedures = 251, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 152 [2024-11-13 23:27:44,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:44,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:27:44,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:27:44,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:27:44,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:27:44,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:27:44,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:27:44,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:27:44,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (1/1) ... [2024-11-13 23:27:44,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:27:44,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:27:44,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:27:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-13 23:27:44,623 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:27:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:27:44,626 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:27:45,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:27:45,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:27:46,108 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:27:46,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:27:46,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:27:46,463 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:27:46,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:46 BoogieIcfgContainer [2024-11-13 23:27:46,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:27:46,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:27:46,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:27:46,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:27:46,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:27:43" (1/3) ... [2024-11-13 23:27:46,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:27:46, skipping insertion in model container [2024-11-13 23:27:46,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:44" (2/3) ... [2024-11-13 23:27:46,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:27:46, skipping insertion in model container [2024-11-13 23:27:46,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:46" (3/3) ... [2024-11-13 23:27:46,479 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-13 23:27:46,498 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:27:46,500 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 99 locations, 1 initial locations, 0 loop locations, and 41 error locations. [2024-11-13 23:27:46,500 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:27:46,657 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 23:27:46,709 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 120 places, 124 transitions, 262 flow [2024-11-13 23:27:47,319 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7787 states, 7043 states have (on average 3.2105636802498934) internal successors, (22612), 7786 states have internal predecessors, (22612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:47,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:27:47,383 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;@71bb2589, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:27:47,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-11-13 23:27:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 7787 states, 7043 states have (on average 3.2105636802498934) internal successors, (22612), 7786 states have internal predecessors, (22612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:27:47,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:47,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 23:27:47,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:47,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:47,435 INFO L85 PathProgramCache]: Analyzing trace with hash 561254, now seen corresponding path program 1 times [2024-11-13 23:27:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:47,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492386815] [2024-11-13 23:27:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:47,453 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 [2024-11-13 23:27:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:47,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:47,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:27:47,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:47,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:27:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:47,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:47,788 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:47,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492386815] [2024-11-13 23:27:47,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492386815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:47,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:47,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:27:47,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885597632] [2024-11-13 23:27:47,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:47,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:27:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:27:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:47,857 INFO L87 Difference]: Start difference. First operand has 7787 states, 7043 states have (on average 3.2105636802498934) internal successors, (22612), 7786 states have internal predecessors, (22612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:48,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:48,872 INFO L93 Difference]: Finished difference Result 10747 states and 31262 transitions. [2024-11-13 23:27:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:27:48,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 23:27:48,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:49,023 INFO L225 Difference]: With dead ends: 10747 [2024-11-13 23:27:49,023 INFO L226 Difference]: Without dead ends: 7321 [2024-11-13 23:27:49,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:49,040 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:49,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 61 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:27:49,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2024-11-13 23:27:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7321. [2024-11-13 23:27:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7321 states, 6581 states have (on average 3.0967938003342956) internal successors, (20380), 7320 states have internal predecessors, (20380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 20380 transitions. [2024-11-13 23:27:49,785 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 20380 transitions. Word has length 3 [2024-11-13 23:27:49,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:49,786 INFO L471 AbstractCegarLoop]: Abstraction has 7321 states and 20380 transitions. [2024-11-13 23:27:49,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 20380 transitions. [2024-11-13 23:27:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:27:49,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:49,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 23:27:49,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:49,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:49,990 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:49,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:49,991 INFO L85 PathProgramCache]: Analyzing trace with hash 561255, now seen corresponding path program 1 times [2024-11-13 23:27:49,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:49,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106184914] [2024-11-13 23:27:49,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:49,992 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 [2024-11-13 23:27:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:49,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:49,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:27:50,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:50,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:27:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:50,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:50,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:50,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106184914] [2024-11-13 23:27:50,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106184914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:50,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:50,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:27:50,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220222042] [2024-11-13 23:27:50,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:50,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:27:50,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:50,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:27:50,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:50,206 INFO L87 Difference]: Start difference. First operand 7321 states and 20380 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:51,000 INFO L93 Difference]: Finished difference Result 7321 states and 20380 transitions. [2024-11-13 23:27:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:27:51,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 23:27:51,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:51,089 INFO L225 Difference]: With dead ends: 7321 [2024-11-13 23:27:51,089 INFO L226 Difference]: Without dead ends: 7319 [2024-11-13 23:27:51,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:51,096 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:51,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 62 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:27:51,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2024-11-13 23:27:51,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 7319. [2024-11-13 23:27:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7319 states, 6581 states have (on average 3.0964898951527124) internal successors, (20378), 7318 states have internal predecessors, (20378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7319 states to 7319 states and 20378 transitions. [2024-11-13 23:27:51,498 INFO L78 Accepts]: Start accepts. Automaton has 7319 states and 20378 transitions. Word has length 3 [2024-11-13 23:27:51,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:51,498 INFO L471 AbstractCegarLoop]: Abstraction has 7319 states and 20378 transitions. [2024-11-13 23:27:51,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:51,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7319 states and 20378 transitions. [2024-11-13 23:27:51,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:27:51,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:51,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:27:51,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:51,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:51,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:51,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:51,705 INFO L85 PathProgramCache]: Analyzing trace with hash 17397141, now seen corresponding path program 1 times [2024-11-13 23:27:51,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:51,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455457947] [2024-11-13 23:27:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:51,706 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 [2024-11-13 23:27:51,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:51,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:51,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:27:51,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:51,861 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:51,862 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:51,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455457947] [2024-11-13 23:27:51,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455457947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:51,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:51,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:27:51,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207828695] [2024-11-13 23:27:51,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:51,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:27:51,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:51,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:27:51,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:51,865 INFO L87 Difference]: Start difference. First operand 7319 states and 20378 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:52,465 INFO L93 Difference]: Finished difference Result 7322 states and 20380 transitions. [2024-11-13 23:27:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:27:52,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 23:27:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:52,525 INFO L225 Difference]: With dead ends: 7322 [2024-11-13 23:27:52,526 INFO L226 Difference]: Without dead ends: 7319 [2024-11-13 23:27:52,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:52,531 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 103 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:52,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 38 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:27:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2024-11-13 23:27:52,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 7319. [2024-11-13 23:27:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7319 states, 6581 states have (on average 3.0963379425619206) internal successors, (20377), 7318 states have internal predecessors, (20377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7319 states to 7319 states and 20377 transitions. [2024-11-13 23:27:53,113 INFO L78 Accepts]: Start accepts. Automaton has 7319 states and 20377 transitions. Word has length 4 [2024-11-13 23:27:53,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:53,114 INFO L471 AbstractCegarLoop]: Abstraction has 7319 states and 20377 transitions. [2024-11-13 23:27:53,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7319 states and 20377 transitions. [2024-11-13 23:27:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:27:53,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:53,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:27:53,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:53,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:53,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:53,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:53,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1675627661, now seen corresponding path program 1 times [2024-11-13 23:27:53,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:53,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196220484] [2024-11-13 23:27:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:53,320 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 [2024-11-13 23:27:53,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:53,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:53,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:53,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:27:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:53,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:53,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:53,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196220484] [2024-11-13 23:27:53,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196220484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:53,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:53,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:27:53,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482754620] [2024-11-13 23:27:53,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:53,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:27:53,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:53,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:27:53,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:53,557 INFO L87 Difference]: Start difference. First operand 7319 states and 20377 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:54,188 INFO L93 Difference]: Finished difference Result 7319 states and 20377 transitions. [2024-11-13 23:27:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:27:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 23:27:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:54,251 INFO L225 Difference]: With dead ends: 7319 [2024-11-13 23:27:54,251 INFO L226 Difference]: Without dead ends: 6414 [2024-11-13 23:27:54,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:54,261 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 83 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:54,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 24 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:27:54,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6414 states. [2024-11-13 23:27:54,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6414 to 6414. [2024-11-13 23:27:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6414 states, 5877 states have (on average 3.027394929385741) internal successors, (17792), 6413 states have internal predecessors, (17792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6414 states to 6414 states and 17792 transitions. [2024-11-13 23:27:54,578 INFO L78 Accepts]: Start accepts. Automaton has 6414 states and 17792 transitions. Word has length 9 [2024-11-13 23:27:54,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:54,579 INFO L471 AbstractCegarLoop]: Abstraction has 6414 states and 17792 transitions. [2024-11-13 23:27:54,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 6414 states and 17792 transitions. [2024-11-13 23:27:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:27:54,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:54,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:27:54,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:54,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:54,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:54,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1675627662, now seen corresponding path program 1 times [2024-11-13 23:27:54,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:54,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337911595] [2024-11-13 23:27:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:54,786 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 [2024-11-13 23:27:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:54,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:27:55,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:55,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:27:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:55,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:55,209 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337911595] [2024-11-13 23:27:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337911595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:55,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:55,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:27:55,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399994434] [2024-11-13 23:27:55,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:55,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:27:55,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:55,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:27:55,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:55,211 INFO L87 Difference]: Start difference. First operand 6414 states and 17792 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:55,876 INFO L93 Difference]: Finished difference Result 6433 states and 17811 transitions. [2024-11-13 23:27:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:27:55,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 23:27:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:55,916 INFO L225 Difference]: With dead ends: 6433 [2024-11-13 23:27:55,916 INFO L226 Difference]: Without dead ends: 5529 [2024-11-13 23:27:55,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:27:55,922 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 46 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:55,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 46 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:27:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2024-11-13 23:27:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 5521. [2024-11-13 23:27:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5521 states, 5180 states have (on average 2.9382239382239383) internal successors, (15220), 5520 states have internal predecessors, (15220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 15220 transitions. [2024-11-13 23:27:56,110 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 15220 transitions. Word has length 9 [2024-11-13 23:27:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:56,110 INFO L471 AbstractCegarLoop]: Abstraction has 5521 states and 15220 transitions. [2024-11-13 23:27:56,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 15220 transitions. [2024-11-13 23:27:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:27:56,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:56,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:27:56,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:56,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:56,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:56,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:56,312 INFO L85 PathProgramCache]: Analyzing trace with hash 480476947, now seen corresponding path program 1 times [2024-11-13 23:27:56,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:56,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464198877] [2024-11-13 23:27:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:56,313 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 [2024-11-13 23:27:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:56,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:56,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:27:56,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:56,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:27:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:56,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:56,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:56,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464198877] [2024-11-13 23:27:56,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464198877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:27:56,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883445438] [2024-11-13 23:27:56,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:56,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:27:56,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:56,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:27:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:27:56,615 INFO L87 Difference]: Start difference. First operand 5521 states and 15220 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:57,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:27:57,948 INFO L93 Difference]: Finished difference Result 6112 states and 16683 transitions. [2024-11-13 23:27:57,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 23:27:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 23:27:57,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:27:57,986 INFO L225 Difference]: With dead ends: 6112 [2024-11-13 23:27:57,986 INFO L226 Difference]: Without dead ends: 5071 [2024-11-13 23:27:57,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:27:57,991 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 225 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:27:57,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 137 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:27:58,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2024-11-13 23:27:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4780. [2024-11-13 23:27:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4780 states, 4502 states have (on average 2.918480675255442) internal successors, (13139), 4779 states have internal predecessors, (13139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 13139 transitions. [2024-11-13 23:27:58,167 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 13139 transitions. Word has length 10 [2024-11-13 23:27:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:27:58,168 INFO L471 AbstractCegarLoop]: Abstraction has 4780 states and 13139 transitions. [2024-11-13 23:27:58,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:27:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 13139 transitions. [2024-11-13 23:27:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:27:58,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:27:58,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:27:58,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:58,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:27:58,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:27:58,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash 480476948, now seen corresponding path program 1 times [2024-11-13 23:27:58,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:27:58,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907743522] [2024-11-13 23:27:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:27:58,376 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 [2024-11-13 23:27:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:27:58,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:27:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (8)] Waiting until timeout for monitored process [2024-11-13 23:27:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:27:58,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:58,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:27:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:58,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:27:58,750 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:27:58,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907743522] [2024-11-13 23:27:58,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907743522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:27:58,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:27:58,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:27:58,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198991989] [2024-11-13 23:27:58,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:27:58,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:27:58,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:27:58,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:27:58,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:27:58,753 INFO L87 Difference]: Start difference. First operand 4780 states and 13139 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:00,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:00,126 INFO L93 Difference]: Finished difference Result 4825 states and 13181 transitions. [2024-11-13 23:28:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:28:00,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 23:28:00,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:00,152 INFO L225 Difference]: With dead ends: 4825 [2024-11-13 23:28:00,154 INFO L226 Difference]: Without dead ends: 3778 [2024-11-13 23:28:00,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:28:00,158 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 161 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:00,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 137 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:28:00,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2024-11-13 23:28:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3778. [2024-11-13 23:28:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3778 states, 3584 states have (on average 2.8130580357142856) internal successors, (10082), 3777 states have internal predecessors, (10082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3778 states to 3778 states and 10082 transitions. [2024-11-13 23:28:00,290 INFO L78 Accepts]: Start accepts. Automaton has 3778 states and 10082 transitions. Word has length 10 [2024-11-13 23:28:00,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:00,292 INFO L471 AbstractCegarLoop]: Abstraction has 3778 states and 10082 transitions. [2024-11-13 23:28:00,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3778 states and 10082 transitions. [2024-11-13 23:28:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:00,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:00,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:00,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:00,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:00,498 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:00,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:00,499 INFO L85 PathProgramCache]: Analyzing trace with hash 458561999, now seen corresponding path program 1 times [2024-11-13 23:28:00,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327265641] [2024-11-13 23:28:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:00,499 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 [2024-11-13 23:28:00,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:00,505 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:00,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (9)] Waiting until timeout for monitored process [2024-11-13 23:28:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:28:00,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:00,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:00,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:00,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:00,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327265641] [2024-11-13 23:28:00,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327265641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:00,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:00,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:28:00,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104042196] [2024-11-13 23:28:00,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:00,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:28:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:00,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:28:00,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:00,803 INFO L87 Difference]: Start difference. First operand 3778 states and 10082 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:02,078 INFO L93 Difference]: Finished difference Result 4323 states and 11419 transitions. [2024-11-13 23:28:02,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 23:28:02,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 23:28:02,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:02,103 INFO L225 Difference]: With dead ends: 4323 [2024-11-13 23:28:02,103 INFO L226 Difference]: Without dead ends: 3579 [2024-11-13 23:28:02,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:28:02,108 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 192 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:02,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 142 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:28:02,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3579 states. [2024-11-13 23:28:02,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3579 to 3314. [2024-11-13 23:28:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 3174 states have (on average 2.7980466288594834) internal successors, (8881), 3313 states have internal predecessors, (8881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 8881 transitions. [2024-11-13 23:28:02,209 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 8881 transitions. Word has length 12 [2024-11-13 23:28:02,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:02,210 INFO L471 AbstractCegarLoop]: Abstraction has 3314 states and 8881 transitions. [2024-11-13 23:28:02,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 8881 transitions. [2024-11-13 23:28:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:02,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:02,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:02,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (9)] Ended with exit code 0 [2024-11-13 23:28:02,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:02,416 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:02,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash 458562000, now seen corresponding path program 1 times [2024-11-13 23:28:02,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:02,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255714723] [2024-11-13 23:28:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:02,417 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 [2024-11-13 23:28:02,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:02,419 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:02,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:28:02,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:02,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:28:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:02,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:02,785 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255714723] [2024-11-13 23:28:02,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255714723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:02,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:02,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:28:02,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558124237] [2024-11-13 23:28:02,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:02,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:28:02,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:02,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:28:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:02,787 INFO L87 Difference]: Start difference. First operand 3314 states and 8881 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:04,122 INFO L93 Difference]: Finished difference Result 3404 states and 8968 transitions. [2024-11-13 23:28:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:28:04,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 23:28:04,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:04,141 INFO L225 Difference]: With dead ends: 3404 [2024-11-13 23:28:04,141 INFO L226 Difference]: Without dead ends: 2650 [2024-11-13 23:28:04,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:28:04,145 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 131 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:04,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 139 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:28:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2024-11-13 23:28:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2024-11-13 23:28:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2540 states have (on average 2.6964566929133857) internal successors, (6849), 2649 states have internal predecessors, (6849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 6849 transitions. [2024-11-13 23:28:04,218 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 6849 transitions. Word has length 12 [2024-11-13 23:28:04,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:04,219 INFO L471 AbstractCegarLoop]: Abstraction has 2650 states and 6849 transitions. [2024-11-13 23:28:04,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 6849 transitions. [2024-11-13 23:28:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:28:04,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:04,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:04,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:04,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:04,421 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:04,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1841625201, now seen corresponding path program 1 times [2024-11-13 23:28:04,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:04,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877054366] [2024-11-13 23:28:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:04,423 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 [2024-11-13 23:28:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:04,425 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:04,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (11)] Waiting until timeout for monitored process [2024-11-13 23:28:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:04,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:04,737 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:04,738 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:04,739 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:04,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-13 23:28:04,828 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:04,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:04,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 73 [2024-11-13 23:28:05,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:05,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 141 treesize of output 57 [2024-11-13 23:28:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:05,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:05,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:05,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877054366] [2024-11-13 23:28:05,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877054366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:05,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:05,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:28:05,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130156814] [2024-11-13 23:28:05,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:05,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:28:05,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:28:05,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:05,051 INFO L87 Difference]: Start difference. First operand 2650 states and 6849 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:07,866 INFO L93 Difference]: Finished difference Result 3625 states and 9569 transitions. [2024-11-13 23:28:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:28:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 23:28:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:07,886 INFO L225 Difference]: With dead ends: 3625 [2024-11-13 23:28:07,886 INFO L226 Difference]: Without dead ends: 3379 [2024-11-13 23:28:07,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:28:07,889 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 75 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:07,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 83 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 23:28:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2024-11-13 23:28:07,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2794. [2024-11-13 23:28:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2685 states have (on average 2.693482309124767) internal successors, (7232), 2793 states have internal predecessors, (7232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 7232 transitions. [2024-11-13 23:28:07,976 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 7232 transitions. Word has length 14 [2024-11-13 23:28:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:07,976 INFO L471 AbstractCegarLoop]: Abstraction has 2794 states and 7232 transitions. [2024-11-13 23:28:07,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 7232 transitions. [2024-11-13 23:28:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:28:07,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:07,981 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:07,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (11)] Ended with exit code 0 [2024-11-13 23:28:08,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:08,185 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:08,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:08,186 INFO L85 PathProgramCache]: Analyzing trace with hash -529601065, now seen corresponding path program 1 times [2024-11-13 23:28:08,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:08,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932851805] [2024-11-13 23:28:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:08,187 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 [2024-11-13 23:28:08,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:08,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:08,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (12)] Waiting until timeout for monitored process [2024-11-13 23:28:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:28:08,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:08,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:28:08,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:08,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 23:28:08,842 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 23:28:08,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 23:28:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:08,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:08,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:08,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932851805] [2024-11-13 23:28:08,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932851805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:08,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:08,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:28:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190155734] [2024-11-13 23:28:08,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:08,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:28:08,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:28:08,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:28:08,872 INFO L87 Difference]: Start difference. First operand 2794 states and 7232 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:10,673 INFO L93 Difference]: Finished difference Result 3434 states and 8796 transitions. [2024-11-13 23:28:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 23:28:10,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 23:28:10,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:10,690 INFO L225 Difference]: With dead ends: 3434 [2024-11-13 23:28:10,690 INFO L226 Difference]: Without dead ends: 3398 [2024-11-13 23:28:10,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:28:10,694 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 234 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:10,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 128 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 23:28:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2024-11-13 23:28:10,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 2758. [2024-11-13 23:28:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2661 states have (on average 2.6918451709883504) internal successors, (7163), 2757 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 7163 transitions. [2024-11-13 23:28:10,799 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 7163 transitions. Word has length 15 [2024-11-13 23:28:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:10,799 INFO L471 AbstractCegarLoop]: Abstraction has 2758 states and 7163 transitions. [2024-11-13 23:28:10,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 7163 transitions. [2024-11-13 23:28:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:28:10,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:10,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:10,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (12)] Ended with exit code 0 [2024-11-13 23:28:11,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:11,006 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:11,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1272221061, now seen corresponding path program 1 times [2024-11-13 23:28:11,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:11,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157147709] [2024-11-13 23:28:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:11,008 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 [2024-11-13 23:28:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:11,011 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:11,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:28:11,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:11,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:28:11,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:11,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 23:28:11,620 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 23:28:11,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 23:28:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:11,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:11,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:11,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157147709] [2024-11-13 23:28:11,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157147709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:11,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:11,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:28:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754636268] [2024-11-13 23:28:11,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:11,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:28:11,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:28:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:28:11,647 INFO L87 Difference]: Start difference. First operand 2758 states and 7163 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:13,425 INFO L93 Difference]: Finished difference Result 3398 states and 8727 transitions. [2024-11-13 23:28:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 23:28:13,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 23:28:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:13,443 INFO L225 Difference]: With dead ends: 3398 [2024-11-13 23:28:13,443 INFO L226 Difference]: Without dead ends: 3317 [2024-11-13 23:28:13,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 23:28:13,446 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 286 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:13,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 120 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 23:28:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2024-11-13 23:28:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2677. [2024-11-13 23:28:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2619 states have (on average 2.67430316914853) internal successors, (7004), 2676 states have internal predecessors, (7004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 7004 transitions. [2024-11-13 23:28:13,523 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 7004 transitions. Word has length 15 [2024-11-13 23:28:13,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:13,524 INFO L471 AbstractCegarLoop]: Abstraction has 2677 states and 7004 transitions. [2024-11-13 23:28:13,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 7004 transitions. [2024-11-13 23:28:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:28:13,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:13,525 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:13,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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)] Ended with exit code 0 [2024-11-13 23:28:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:13,730 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:13,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash -57542712, now seen corresponding path program 1 times [2024-11-13 23:28:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230415550] [2024-11-13 23:28:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:13,731 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 [2024-11-13 23:28:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:13,733 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:13,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (14)] Waiting until timeout for monitored process [2024-11-13 23:28:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:28:13,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:14,005 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:14,006 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:14,007 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:14,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-13 23:28:14,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:14,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 49 [2024-11-13 23:28:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:14,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:14,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:14,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230415550] [2024-11-13 23:28:14,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230415550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:14,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:14,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:28:14,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644933811] [2024-11-13 23:28:14,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:14,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:28:14,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:14,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:28:14,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:28:14,213 INFO L87 Difference]: Start difference. First operand 2677 states and 7004 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:16,213 INFO L93 Difference]: Finished difference Result 3652 states and 9724 transitions. [2024-11-13 23:28:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:28:16,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 23:28:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:16,233 INFO L225 Difference]: With dead ends: 3652 [2024-11-13 23:28:16,234 INFO L226 Difference]: Without dead ends: 3406 [2024-11-13 23:28:16,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:16,237 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 49 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:16,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 86 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 23:28:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2024-11-13 23:28:16,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3016. [2024-11-13 23:28:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 2959 states have (on average 2.6982088543426834) internal successors, (7984), 3015 states have internal predecessors, (7984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 7984 transitions. [2024-11-13 23:28:16,326 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 7984 transitions. Word has length 17 [2024-11-13 23:28:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:16,326 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 7984 transitions. [2024-11-13 23:28:16,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 7984 transitions. [2024-11-13 23:28:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:28:16,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:16,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:16,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (14)] Ended with exit code 0 [2024-11-13 23:28:16,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:16,529 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:16,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1783923114, now seen corresponding path program 1 times [2024-11-13 23:28:16,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:16,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765158691] [2024-11-13 23:28:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:16,530 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 [2024-11-13 23:28:16,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:16,532 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:16,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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)] Waiting until timeout for monitored process [2024-11-13 23:28:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:28:16,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:17,029 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#data~1#1.base_89| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#data~1#1.base_89|)) (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#data~1#1.base_89| (_ bv0 1))))) is different from true [2024-11-13 23:28:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:17,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:17,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765158691] [2024-11-13 23:28:17,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765158691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:17,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:17,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:28:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913398075] [2024-11-13 23:28:17,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:17,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:28:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:17,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:28:17,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2024-11-13 23:28:17,043 INFO L87 Difference]: Start difference. First operand 3016 states and 7984 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:18,029 INFO L93 Difference]: Finished difference Result 3165 states and 8531 transitions. [2024-11-13 23:28:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:28:18,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-13 23:28:18,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:18,046 INFO L225 Difference]: With dead ends: 3165 [2024-11-13 23:28:18,047 INFO L226 Difference]: Without dead ends: 2806 [2024-11-13 23:28:18,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2024-11-13 23:28:18,049 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 75 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:18,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 69 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 158 Unchecked, 0.9s Time] [2024-11-13 23:28:18,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-11-13 23:28:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2680. [2024-11-13 23:28:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 2639 states have (on average 2.655930276619932) internal successors, (7009), 2679 states have internal predecessors, (7009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 7009 transitions. [2024-11-13 23:28:18,135 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 7009 transitions. Word has length 18 [2024-11-13 23:28:18,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:18,135 INFO L471 AbstractCegarLoop]: Abstraction has 2680 states and 7009 transitions. [2024-11-13 23:28:18,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 7009 transitions. [2024-11-13 23:28:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:28:18,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:18,141 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] [2024-11-13 23:28:18,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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)] Ended with exit code 0 [2024-11-13 23:28:18,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:18,342 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:18,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash -832551875, now seen corresponding path program 1 times [2024-11-13 23:28:18,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:18,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135122056] [2024-11-13 23:28:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:18,343 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 [2024-11-13 23:28:18,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:18,345 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:18,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:28:18,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:18,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:18,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:18,629 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:18,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135122056] [2024-11-13 23:28:18,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135122056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:18,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:18,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:28:18,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057354335] [2024-11-13 23:28:18,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:18,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:28:18,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:18,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:28:18,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:18,630 INFO L87 Difference]: Start difference. First operand 2680 states and 7009 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:19,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:19,160 INFO L93 Difference]: Finished difference Result 2680 states and 7009 transitions. [2024-11-13 23:28:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:28:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 23:28:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:19,174 INFO L225 Difference]: With dead ends: 2680 [2024-11-13 23:28:19,175 INFO L226 Difference]: Without dead ends: 2670 [2024-11-13 23:28:19,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:19,178 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 34 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:19,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 51 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:28:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2024-11-13 23:28:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2024-11-13 23:28:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2631 states have (on average 2.6571645762067653) internal successors, (6991), 2669 states have internal predecessors, (6991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 6991 transitions. [2024-11-13 23:28:19,253 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 6991 transitions. Word has length 21 [2024-11-13 23:28:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:19,254 INFO L471 AbstractCegarLoop]: Abstraction has 2670 states and 6991 transitions. [2024-11-13 23:28:19,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 6991 transitions. [2024-11-13 23:28:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:28:19,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:19,261 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] [2024-11-13 23:28:19,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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)] Ended with exit code 0 [2024-11-13 23:28:19,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:19,468 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:19,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash -832551874, now seen corresponding path program 1 times [2024-11-13 23:28:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146344231] [2024-11-13 23:28:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:19,469 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 [2024-11-13 23:28:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:19,474 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (17)] Waiting until timeout for monitored process [2024-11-13 23:28:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:28:19,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:19,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:28:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:19,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:19,748 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:19,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146344231] [2024-11-13 23:28:19,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146344231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:19,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:19,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:28:19,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430283779] [2024-11-13 23:28:19,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:19,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:28:19,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:19,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:28:19,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:19,750 INFO L87 Difference]: Start difference. First operand 2670 states and 6991 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:20,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:20,222 INFO L93 Difference]: Finished difference Result 2670 states and 6991 transitions. [2024-11-13 23:28:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:28:20,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 23:28:20,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:20,237 INFO L225 Difference]: With dead ends: 2670 [2024-11-13 23:28:20,237 INFO L226 Difference]: Without dead ends: 2660 [2024-11-13 23:28:20,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:20,239 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 32 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:20,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:28:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2024-11-13 23:28:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2660. [2024-11-13 23:28:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2623 states have (on average 2.6584064048799085) internal successors, (6973), 2659 states have internal predecessors, (6973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 6973 transitions. [2024-11-13 23:28:20,309 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 6973 transitions. Word has length 21 [2024-11-13 23:28:20,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:20,309 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 6973 transitions. [2024-11-13 23:28:20,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 6973 transitions. [2024-11-13 23:28:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:28:20,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:20,312 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] [2024-11-13 23:28:20,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (17)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:20,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:20,514 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:20,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:20,515 INFO L85 PathProgramCache]: Analyzing trace with hash -39303709, now seen corresponding path program 1 times [2024-11-13 23:28:20,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:20,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454997251] [2024-11-13 23:28:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:20,517 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 [2024-11-13 23:28:20,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:20,519 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:20,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (18)] Waiting until timeout for monitored process [2024-11-13 23:28:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:28:20,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:20,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:21,006 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-13 23:28:21,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2024-11-13 23:28:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:21,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:21,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:21,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454997251] [2024-11-13 23:28:21,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454997251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:21,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:21,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:28:21,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796918554] [2024-11-13 23:28:21,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:21,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:28:21,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:21,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:28:21,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:28:21,108 INFO L87 Difference]: Start difference. First operand 2660 states and 6973 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:22,513 INFO L93 Difference]: Finished difference Result 2660 states and 6973 transitions. [2024-11-13 23:28:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 23:28:22,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 23:28:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:22,523 INFO L225 Difference]: With dead ends: 2660 [2024-11-13 23:28:22,523 INFO L226 Difference]: Without dead ends: 2624 [2024-11-13 23:28:22,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:28:22,525 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 135 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:22,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 70 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 23:28:22,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2024-11-13 23:28:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2624. [2024-11-13 23:28:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2624 states, 2591 states have (on average 2.664994210729448) internal successors, (6905), 2623 states have internal predecessors, (6905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 6905 transitions. [2024-11-13 23:28:22,592 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 6905 transitions. Word has length 22 [2024-11-13 23:28:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:22,593 INFO L471 AbstractCegarLoop]: Abstraction has 2624 states and 6905 transitions. [2024-11-13 23:28:22,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 6905 transitions. [2024-11-13 23:28:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:28:22,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:22,596 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] [2024-11-13 23:28:22,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (18)] Ended with exit code 0 [2024-11-13 23:28:22,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:22,797 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:22,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash -39303708, now seen corresponding path program 1 times [2024-11-13 23:28:22,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:22,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373828326] [2024-11-13 23:28:22,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:22,801 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 [2024-11-13 23:28:22,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:22,803 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:22,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (19)] Waiting until timeout for monitored process [2024-11-13 23:28:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 23:28:23,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:23,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 23:28:23,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 23:28:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:23,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 23:28:23,451 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 23:28:23,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 23:28:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:23,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:23,486 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:23,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373828326] [2024-11-13 23:28:23,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373828326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:23,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:23,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:28:23,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271875853] [2024-11-13 23:28:23,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:23,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:28:23,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:23,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:28:23,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:28:23,488 INFO L87 Difference]: Start difference. First operand 2624 states and 6905 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:24,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:24,124 INFO L93 Difference]: Finished difference Result 2624 states and 6905 transitions. [2024-11-13 23:28:24,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:28:24,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 23:28:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:24,133 INFO L225 Difference]: With dead ends: 2624 [2024-11-13 23:28:24,133 INFO L226 Difference]: Without dead ends: 2588 [2024-11-13 23:28:24,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:24,134 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 55 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:24,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 55 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:28:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2024-11-13 23:28:24,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2588. [2024-11-13 23:28:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2559 states have (on average 2.671746776084408) internal successors, (6837), 2587 states have internal predecessors, (6837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 6837 transitions. [2024-11-13 23:28:24,199 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 6837 transitions. Word has length 22 [2024-11-13 23:28:24,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:24,200 INFO L471 AbstractCegarLoop]: Abstraction has 2588 states and 6837 transitions. [2024-11-13 23:28:24,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 6837 transitions. [2024-11-13 23:28:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:28:24,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:24,203 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] [2024-11-13 23:28:24,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (19)] Ended with exit code 0 [2024-11-13 23:28:24,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:24,404 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:24,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash 218363051, now seen corresponding path program 1 times [2024-11-13 23:28:24,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:24,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702654714] [2024-11-13 23:28:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:24,406 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 [2024-11-13 23:28:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:24,408 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:24,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (20)] Waiting until timeout for monitored process [2024-11-13 23:28:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:28:24,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:24,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:24,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:24,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702654714] [2024-11-13 23:28:24,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702654714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:24,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:24,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:28:24,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76933168] [2024-11-13 23:28:24,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:24,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:28:24,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:28:24,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:28:24,707 INFO L87 Difference]: Start difference. First operand 2588 states and 6837 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:25,195 INFO L93 Difference]: Finished difference Result 2588 states and 6837 transitions. [2024-11-13 23:28:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:28:25,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 23:28:25,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:25,202 INFO L225 Difference]: With dead ends: 2588 [2024-11-13 23:28:25,202 INFO L226 Difference]: Without dead ends: 452 [2024-11-13 23:28:25,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:28:25,206 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 112 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:25,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 36 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 23:28:25,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-13 23:28:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-13 23:28:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 440 states have (on average 2.334090909090909) internal successors, (1027), 451 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 1027 transitions. [2024-11-13 23:28:25,220 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 1027 transitions. Word has length 22 [2024-11-13 23:28:25,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:25,220 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 1027 transitions. [2024-11-13 23:28:25,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1027 transitions. [2024-11-13 23:28:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:28:25,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:25,221 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] [2024-11-13 23:28:25,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (20)] Ended with exit code 0 [2024-11-13 23:28:25,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:25,422 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:25,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:25,422 INFO L85 PathProgramCache]: Analyzing trace with hash 883861451, now seen corresponding path program 1 times [2024-11-13 23:28:25,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:25,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604692281] [2024-11-13 23:28:25,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:25,423 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 [2024-11-13 23:28:25,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:25,425 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:25,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (21)] Waiting until timeout for monitored process [2024-11-13 23:28:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:28:25,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:25,811 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:25,812 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:25,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-13 23:28:25,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:25,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:25,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 73 [2024-11-13 23:28:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:25,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:25,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:25,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604692281] [2024-11-13 23:28:25,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604692281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:25,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:25,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:28:25,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854921435] [2024-11-13 23:28:25,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:25,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:28:25,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:25,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:28:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:28:25,954 INFO L87 Difference]: Start difference. First operand 452 states and 1027 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:26,768 INFO L93 Difference]: Finished difference Result 493 states and 1096 transitions. [2024-11-13 23:28:26,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:28:26,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-13 23:28:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:26,774 INFO L225 Difference]: With dead ends: 493 [2024-11-13 23:28:26,774 INFO L226 Difference]: Without dead ends: 484 [2024-11-13 23:28:26,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:28:26,775 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 22 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:26,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 44 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 23:28:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-13 23:28:26,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 458. [2024-11-13 23:28:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 446 states have (on average 2.3251121076233185) internal successors, (1037), 457 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1037 transitions. [2024-11-13 23:28:26,789 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1037 transitions. Word has length 24 [2024-11-13 23:28:26,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:26,789 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 1037 transitions. [2024-11-13 23:28:26,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1037 transitions. [2024-11-13 23:28:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:28:26,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:26,791 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] [2024-11-13 23:28:26,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (21)] Ended with exit code 0 [2024-11-13 23:28:26,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:26,992 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:26,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1629901812, now seen corresponding path program 1 times [2024-11-13 23:28:26,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:26,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37517651] [2024-11-13 23:28:26,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:26,993 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 [2024-11-13 23:28:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:26,995 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:27,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (22)] Waiting until timeout for monitored process [2024-11-13 23:28:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:28:27,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:28:27,421 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:27,422 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 23:28:27,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-13 23:28:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:27,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:27,499 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37517651] [2024-11-13 23:28:27,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37517651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:27,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:27,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:28:27,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611623593] [2024-11-13 23:28:27,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:27,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:28:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:27,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:28:27,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:27,501 INFO L87 Difference]: Start difference. First operand 458 states and 1037 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:28,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:28,104 INFO L93 Difference]: Finished difference Result 484 states and 1079 transitions. [2024-11-13 23:28:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:28:28,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-13 23:28:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:28,109 INFO L225 Difference]: With dead ends: 484 [2024-11-13 23:28:28,109 INFO L226 Difference]: Without dead ends: 475 [2024-11-13 23:28:28,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:28:28,110 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:28,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 42 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:28:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-13 23:28:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 464. [2024-11-13 23:28:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 452 states have (on average 2.327433628318584) internal successors, (1052), 463 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1052 transitions. [2024-11-13 23:28:28,122 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1052 transitions. Word has length 25 [2024-11-13 23:28:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:28,122 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 1052 transitions. [2024-11-13 23:28:28,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1052 transitions. [2024-11-13 23:28:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:28:28,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:28,123 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] [2024-11-13 23:28:28,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (22)] Ended with exit code 0 [2024-11-13 23:28:28,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:28,324 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:28,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash -688295861, now seen corresponding path program 1 times [2024-11-13 23:28:28,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:28,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623788550] [2024-11-13 23:28:28,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:28,325 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 [2024-11-13 23:28:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:28,327 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:28,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (23)] Waiting until timeout for monitored process [2024-11-13 23:28:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:28,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-13 23:28:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:28,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:28:28,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:28:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623788550] [2024-11-13 23:28:28,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623788550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:28:28,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:28:28,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 23:28:28,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406441207] [2024-11-13 23:28:28,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:28:28,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 23:28:28,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:28:28,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 23:28:28,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:28:28,881 INFO L87 Difference]: Start difference. First operand 464 states and 1052 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:28:30,162 INFO L93 Difference]: Finished difference Result 824 states and 1864 transitions. [2024-11-13 23:28:30,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 23:28:30,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-13 23:28:30,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:28:30,170 INFO L225 Difference]: With dead ends: 824 [2024-11-13 23:28:30,170 INFO L226 Difference]: Without dead ends: 524 [2024-11-13 23:28:30,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-13 23:28:30,174 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 105 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:28:30,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 104 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 23:28:30,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-13 23:28:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 504. [2024-11-13 23:28:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 492 states have (on average 2.321138211382114) internal successors, (1142), 503 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1142 transitions. [2024-11-13 23:28:30,190 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1142 transitions. Word has length 28 [2024-11-13 23:28:30,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:28:30,191 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 1142 transitions. [2024-11-13 23:28:30,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:28:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1142 transitions. [2024-11-13 23:28:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:28:30,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:30,192 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] [2024-11-13 23:28:30,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (23)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:30,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:30,393 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (and 52 more)] === [2024-11-13 23:28:30,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2113455319, now seen corresponding path program 2 times [2024-11-13 23:28:30,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:28:30,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071413870] [2024-11-13 23:28:30,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 23:28:30,395 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 [2024-11-13 23:28:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:28:30,397 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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) [2024-11-13 23:28:30,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (24)] Waiting until timeout for monitored process [2024-11-13 23:28:30,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 23:28:30,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-13 23:28:30,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:28:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:28:31,173 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-13 23:28:31,173 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:28:31,174 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK (54 of 55 remaining) [2024-11-13 23:28:31,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 55 remaining) [2024-11-13 23:28:31,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 55 remaining) [2024-11-13 23:28:31,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (51 of 55 remaining) [2024-11-13 23:28:31,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 55 remaining) [2024-11-13 23:28:31,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 55 remaining) [2024-11-13 23:28:31,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 55 remaining) [2024-11-13 23:28:31,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 55 remaining) [2024-11-13 23:28:31,178 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 55 remaining) [2024-11-13 23:28:31,178 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 55 remaining) [2024-11-13 23:28:31,178 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 55 remaining) [2024-11-13 23:28:31,179 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 55 remaining) [2024-11-13 23:28:31,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 55 remaining) [2024-11-13 23:28:31,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 55 remaining) [2024-11-13 23:28:31,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 55 remaining) [2024-11-13 23:28:31,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 55 remaining) [2024-11-13 23:28:31,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (32 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (29 of 55 remaining) [2024-11-13 23:28:31,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK (24 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK (21 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK (20 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 55 remaining) [2024-11-13 23:28:31,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 55 remaining) [2024-11-13 23:28:31,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 55 remaining) [2024-11-13 23:28:31,186 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 55 remaining) [2024-11-13 23:28:31,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 (24)] Ended with exit code 0 [2024-11-13 23:28:31,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/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 [2024-11-13 23:28:31,390 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:31,470 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 23:28:31,470 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:28:31,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:28:31 BasicIcfg [2024-11-13 23:28:31,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:28:31,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:28:31,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:28:31,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:28:31,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:46" (3/4) ... [2024-11-13 23:28:31,479 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:28:31,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:28:31,481 INFO L158 Benchmark]: Toolchain (without parser) took 48184.22ms. Allocated memory was 83.9MB in the beginning and 402.7MB in the end (delta: 318.8MB). Free memory was 57.2MB in the beginning and 90.0MB in the end (delta: -32.8MB). Peak memory consumption was 292.4MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,482 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:28:31,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1069.49ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.6MB in the end (delta: 6.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.09ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,483 INFO L158 Benchmark]: Boogie Preprocessor took 72.63ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 44.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:28:31,483 INFO L158 Benchmark]: RCFGBuilder took 1940.76ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 43.0MB in the end (delta: 1.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,483 INFO L158 Benchmark]: TraceAbstraction took 45006.31ms. Allocated memory was 83.9MB in the beginning and 402.7MB in the end (delta: 318.8MB). Free memory was 42.1MB in the beginning and 90.0MB in the end (delta: -48.0MB). Peak memory consumption was 264.6MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,484 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 402.7MB. Free memory was 90.0MB in the beginning and 90.0MB in the end (delta: 22.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:28:31,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1069.49ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 50.6MB in the end (delta: 6.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.09ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.63ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 44.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1940.76ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 43.0MB in the end (delta: 1.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 45006.31ms. Allocated memory was 83.9MB in the beginning and 402.7MB in the end (delta: 318.8MB). Free memory was 42.1MB in the beginning and 90.0MB in the end (delta: -48.0MB). Peak memory consumption was 264.6MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 402.7MB. Free memory was 90.0MB in the beginning and 90.0MB in the end (delta: 22.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 3883, overapproximation of memtrack at line 3883. Possible FailurePath: [L3888] 0 pthread_t t1,t2; [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); [L3963] COND TRUE 0 ret==0 [L3964] 0 int probe_ret; [L3965] 0 struct my_data data; [L3966] CALL, EXPR 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; [L3923] 0 data->shared.a = 0 VAL [\old(data)={3:0}, d={3:28}, data={3:0}, t1=0, t2=0] [L3924] 0 data->shared.b = 0 [L3925] 0 int res = __VERIFIER_nondet_int(); [L3926] COND FALSE 0 !(\read(res)) [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={3:28}, \old(data)={3:0}, d={3:28}, data={3:0}, res=0, t1=0, t2=0] [L3902] 1 struct device *dev = (struct device*)arg; [L3903] 1 struct my_data *data; [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={3:28}, \old(data)={3:0}, arg={3:28}, d={3:28}, data={3:0}, data={3:0}, dev={3:28}, res=0, t1=0, t2=1] [L3902] 2 struct device *dev = (struct device*)arg; [L3903] 2 struct my_data *data; [L3904] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3931] 0 return 0; VAL [\old(arg)={3:28}, \old(data)={3:0}, \result=0, arg={3:28}, d={3:28}, data={3:0}, data={3:0}, dev={3:28}, res=0, t1=0, t2=1] [L3966] RET, EXPR 0 my_drv_probe(&data) [L3966] 0 probe_ret = my_drv_probe(&data) [L3907] 1 data->shared.a = 1 VAL [\old(arg)={3:28}, arg={3:28}, data={3:0}, dev={3:28}, t1=0, t2=1] [L3910] EXPR 1 data->shared.b [L3910] 1 int lb = data->shared.b; [L3913] 1 data->shared.b = lb + 1 VAL [\old(arg)={3:28}, arg={3:28}, data={3:0}, dev={3:28}, lb=0, t1=0, t2=1] [L3916] 1 return 0; [L3967] COND TRUE 0 probe_ret==0 [L3968] CALL 0 my_drv_disconnect(&data) [L3937] 0 void *status; VAL [\old(arg)={3:28}, \old(data)={3:0}, \result={0:0}, arg={3:28}, data={3:0}, data={3:0}, dev={3:28}, lb=0, status={7:0}, t1=0, t2=1] [L3938] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\old(arg)={3:28}, \old(data)={3:0}, \result={0:0}, arg={3:28}, data={3:0}, data={3:0}, dev={3:28}, lb=0, status={7:0}, t1=0, t2=1] [L3941] 0 data->shared.a = 3 VAL [\old(arg)={3:28}, \old(data)={3:0}, \result={0:0}, arg={3:28}, data={3:0}, data={3:0}, dev={3:28}, lb=0, status={7:0}, t1=0, t2=1] [L3907] 2 data->shared.a = 1 VAL [\old(arg)={3:28}, \result={0:0}, arg={3:28}, data={3:0}, dev={3:28}, lb=0, t1=0, t2=1] [L3944] 0 data->shared.b = 3 VAL [\old(arg)={3:28}, \old(data)={3:0}, \result={0:0}, arg={3:28}, data={3:0}, data={3:0}, dev={3:28}, lb=0, status={7:0}, t1=0, t2=1] [L3947] EXPR 0 data->shared.a [L3947] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND TRUE 0 !expression [L3887] CALL 0 reach_error() [L3883] 0 (0) ? (void) (0) : __assert_fail ("0", "../sv-benchmarks/c/ldv-races/race-2_5-container_of.c", 13, __extension__ __PRETTY_FUNCTION__) [L3883] 0 __assert_fail ("0", "../sv-benchmarks/c/ldv-races/race-2_5-container_of.c", 13, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={3:28}, \result={0:0}, arg={3:28}, data={3:0}, dev={3:28}, lb=0, t1=0, t2=1] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3961]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 3929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 3930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 131 locations, 55 error locations. Started 1 CEGAR loops. OverallTime: 44.7s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2238 SdHoareTripleChecker+Valid, 22.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2238 mSDsluCounter, 1721 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 158 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5287 IncrementalHoareTripleChecker+Invalid, 5517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 717 mSDtfsCounter, 5287 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7787occurred in iteration=0, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 3002 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 314 ConstructedInterpolants, 5 QuantifiedInterpolants, 2272 SizeOfPredicates, 130 NumberOfNonLiveVariables, 3056 ConjunctsInSsa, 231 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:28:31,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bc9bc9-d87f-4227-920a-18777c478602/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample