./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:43:57,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:43:57,477 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 16:43:57,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:43:57,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:43:57,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:43:57,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:43:57,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:43:57,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:43:57,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:43:57,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:43:57,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:43:57,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:43:57,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:43:57,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:43:57,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:43:57,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:43:57,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:43:57,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:43:57,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:43:57,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:43:57,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:43:57,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:43:57,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:43:57,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:43:57,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:43:57,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:43:57,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:43:57,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:43:57,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:43:57,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:43:57,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:43:57,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:43:57,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:43:57,521 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf [2024-11-07 16:43:57,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:43:57,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:43:57,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:43:57,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:43:57,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:43:57,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2024-11-07 16:43:59,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:43:59,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:43:59,447 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2024-11-07 16:43:59,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77d6e8c86/2f366a42ce5a4c1ab5a1f1932407a00b/FLAG7d4770f2e [2024-11-07 16:43:59,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77d6e8c86/2f366a42ce5a4c1ab5a1f1932407a00b [2024-11-07 16:43:59,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:43:59,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:43:59,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:43:59,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:43:59,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:43:59,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:59" (1/1) ... [2024-11-07 16:43:59,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7448022d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:59, skipping insertion in model container [2024-11-07 16:43:59,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:59" (1/1) ... [2024-11-07 16:43:59,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:44:00,333 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:44:00,365 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:44:00,388 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:44:00,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:44:00,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:44:00,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:44:00,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:44:00,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:44:00,953 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:44:00,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00 WrapperNode [2024-11-07 16:44:00,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:44:00,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:44:00,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:44:00,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:44:00,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,200 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-11-07 16:44:01,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:44:01,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:44:01,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:44:01,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:44:01,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,348 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 12, 3, 35, 1040, 480, 59, 35, 11, 2, 5, 15, 120, 67, 16, 0, 2, 20, 3, 4, 2, 18, 5, 2, 34, 5, 37]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 6, 3, 15, 1040, 480, 59, 32, 2, 0, 1, 10, 120, 67, 5, 0, 2, 4, 0, 4, 0, 18, 4, 0, 34, 1, 25]. The 37 writes are split as follows [0, 6, 0, 6, 0, 0, 0, 0, 5, 2, 1, 2, 0, 0, 8, 0, 0, 4, 0, 0, 0, 0, 0, 1, 0, 2, 0]. [2024-11-07 16:44:01,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:44:01,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:44:01,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:44:01,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:44:01,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (1/1) ... [2024-11-07 16:44:01,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:44:01,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:44:01,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 16:44:01,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 16:44:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-07 16:44:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-07 16:44:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 16:44:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-07 16:44:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 16:44:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 16:44:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:44:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-07 16:44:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-07 16:44:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 16:44:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-07 16:44:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-07 16:44:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 16:44:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 16:44:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 16:44:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 16:44:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 16:44:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-07 16:44:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-07 16:44:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 16:44:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 16:44:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-07 16:44:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-07 16:44:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-07 16:44:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-07 16:44:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-07 16:44:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-07 16:44:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:44:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-07 16:44:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 16:44:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-07 16:44:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 16:44:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-07 16:44:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-07 16:44:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-07 16:44:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 16:44:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 16:44:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 16:44:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-07 16:44:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-07 16:44:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-07 16:44:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-07 16:44:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-07 16:44:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-07 16:44:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-07 16:44:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-07 16:44:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 16:44:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-07 16:44:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-07 16:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-07 16:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-07 16:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-07 16:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 16:44:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 16:44:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-07 16:44:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-07 16:44:02,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:44:02,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:44:07,057 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-07 16:44:07,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:44:07,106 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:44:07,106 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 16:44:07,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:44:07 BoogieIcfgContainer [2024-11-07 16:44:07,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:44:07,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:44:07,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:44:07,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:44:07,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:43:59" (1/3) ... [2024-11-07 16:44:07,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225270eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:44:07, skipping insertion in model container [2024-11-07 16:44:07,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:00" (2/3) ... [2024-11-07 16:44:07,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225270eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:44:07, skipping insertion in model container [2024-11-07 16:44:07,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:44:07" (3/3) ... [2024-11-07 16:44:07,123 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl_p.i [2024-11-07 16:44:07,135 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:44:07,136 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-07 16:44:07,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:44:07,202 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7cd6c0dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:44:07,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-07 16:44:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 702 states, 392 states have (on average 1.7857142857142858) internal successors, (700), 603 states have internal predecessors, (700), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 16:44:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 16:44:07,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:07,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 16:44:07,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:07,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-11-07 16:44:07,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:07,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734333205] [2024-11-07 16:44:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:07,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:11,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734333205] [2024-11-07 16:44:11,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734333205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:11,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:11,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93805073] [2024-11-07 16:44:11,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:11,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:11,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:11,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:11,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:11,170 INFO L87 Difference]: Start difference. First operand has 702 states, 392 states have (on average 1.7857142857142858) internal successors, (700), 603 states have internal predecessors, (700), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:44:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:12,565 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-11-07 16:44:12,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:12,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-07 16:44:12,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:12,583 INFO L225 Difference]: With dead ends: 1270 [2024-11-07 16:44:12,583 INFO L226 Difference]: Without dead ends: 1266 [2024-11-07 16:44:12,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:44:12,590 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 728 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:12,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2568 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 16:44:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-07 16:44:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-11-07 16:44:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 660 states have (on average 1.7606060606060605) internal successors, (1162), 882 states have internal predecessors, (1162), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-07 16:44:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-11-07 16:44:12,689 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-11-07 16:44:12,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:12,690 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-11-07 16:44:12,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:44:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-11-07 16:44:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 16:44:12,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:12,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 16:44:12,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 16:44:12,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:12,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-11-07 16:44:12,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:12,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778538971] [2024-11-07 16:44:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:12,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:16,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:16,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778538971] [2024-11-07 16:44:16,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778538971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:16,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:16,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:16,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950106441] [2024-11-07 16:44:16,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:16,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:16,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:16,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:16,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:16,023 INFO L87 Difference]: Start difference. First operand 1053 states and 1438 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:44:17,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:17,181 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-11-07 16:44:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:17,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-07 16:44:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:17,190 INFO L225 Difference]: With dead ends: 1193 [2024-11-07 16:44:17,190 INFO L226 Difference]: Without dead ends: 1193 [2024-11-07 16:44:17,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:44:17,191 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:17,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 16:44:17,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-07 16:44:17,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-11-07 16:44:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 709 states have (on average 1.7249647390691114) internal successors, (1223), 932 states have internal predecessors, (1223), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-07 16:44:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-11-07 16:44:17,248 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-11-07 16:44:17,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:17,248 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-11-07 16:44:17,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:44:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-11-07 16:44:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 16:44:17,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:17,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:17,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 16:44:17,250 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:17,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:17,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-11-07 16:44:17,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:17,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38886108] [2024-11-07 16:44:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:17,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:19,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:19,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38886108] [2024-11-07 16:44:19,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38886108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:19,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:19,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:19,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753392054] [2024-11-07 16:44:19,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:19,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:19,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:19,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:19,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:19,519 INFO L87 Difference]: Start difference. First operand 1134 states and 1537 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:20,908 INFO L93 Difference]: Finished difference Result 1360 states and 1649 transitions. [2024-11-07 16:44:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:20,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-07 16:44:20,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:20,917 INFO L225 Difference]: With dead ends: 1360 [2024-11-07 16:44:20,917 INFO L226 Difference]: Without dead ends: 1360 [2024-11-07 16:44:20,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:20,921 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 868 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:20,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1529 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 16:44:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-07 16:44:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1133. [2024-11-07 16:44:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 709 states have (on average 1.7179125528913963) internal successors, (1218), 931 states have internal predecessors, (1218), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-07 16:44:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1532 transitions. [2024-11-07 16:44:20,972 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1532 transitions. Word has length 11 [2024-11-07 16:44:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:20,972 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1532 transitions. [2024-11-07 16:44:20,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1532 transitions. [2024-11-07 16:44:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 16:44:20,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:20,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:20,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 16:44:20,974 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:20,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255733, now seen corresponding path program 1 times [2024-11-07 16:44:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:20,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876944889] [2024-11-07 16:44:20,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:23,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:23,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:23,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876944889] [2024-11-07 16:44:23,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876944889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:23,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:23,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:44:23,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421805377] [2024-11-07 16:44:23,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:23,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:23,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:23,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:23,489 INFO L87 Difference]: Start difference. First operand 1133 states and 1532 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:24,747 INFO L93 Difference]: Finished difference Result 1217 states and 1572 transitions. [2024-11-07 16:44:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:44:24,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-07 16:44:24,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:24,753 INFO L225 Difference]: With dead ends: 1217 [2024-11-07 16:44:24,753 INFO L226 Difference]: Without dead ends: 1217 [2024-11-07 16:44:24,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:44:24,754 INFO L432 NwaCegarLoop]: 750 mSDtfsCounter, 407 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:24,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1880 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 16:44:24,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-07 16:44:24,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1136. [2024-11-07 16:44:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 712 states have (on average 1.7148876404494382) internal successors, (1221), 934 states have internal predecessors, (1221), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-07 16:44:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1535 transitions. [2024-11-07 16:44:24,783 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1535 transitions. Word has length 11 [2024-11-07 16:44:24,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:24,783 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1535 transitions. [2024-11-07 16:44:24,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1535 transitions. [2024-11-07 16:44:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 16:44:24,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:24,784 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:24,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 16:44:24,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash 368369967, now seen corresponding path program 1 times [2024-11-07 16:44:24,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481767921] [2024-11-07 16:44:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:24,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:27,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:27,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481767921] [2024-11-07 16:44:27,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481767921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:44:27,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883616249] [2024-11-07 16:44:27,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:27,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:44:27,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:44:27,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:44:27,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 16:44:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:30,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 5480 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 16:44:30,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:44:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:30,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:44:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:30,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883616249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:44:30,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:44:30,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-07 16:44:30,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329053777] [2024-11-07 16:44:30,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:44:30,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 16:44:30,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:30,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 16:44:30,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 16:44:30,609 INFO L87 Difference]: Start difference. First operand 1136 states and 1535 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:44:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:33,310 INFO L93 Difference]: Finished difference Result 1437 states and 1816 transitions. [2024-11-07 16:44:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 16:44:33,310 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2024-11-07 16:44:33,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:33,317 INFO L225 Difference]: With dead ends: 1437 [2024-11-07 16:44:33,317 INFO L226 Difference]: Without dead ends: 1437 [2024-11-07 16:44:33,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-07 16:44:33,319 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 882 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:33,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 4490 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-07 16:44:33,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-07 16:44:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1289. [2024-11-07 16:44:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 823 states have (on average 1.701093560145808) internal successors, (1400), 1046 states have internal predecessors, (1400), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1768 transitions. [2024-11-07 16:44:33,360 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1768 transitions. Word has length 14 [2024-11-07 16:44:33,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:33,360 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1768 transitions. [2024-11-07 16:44:33,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 16:44:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1768 transitions. [2024-11-07 16:44:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 16:44:33,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:33,361 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:33,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 16:44:33,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:44:33,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:33,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:33,563 INFO L85 PathProgramCache]: Analyzing trace with hash 662636277, now seen corresponding path program 1 times [2024-11-07 16:44:33,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:33,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010102444] [2024-11-07 16:44:33,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:33,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 16:44:35,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:35,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010102444] [2024-11-07 16:44:35,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010102444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:35,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:35,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:35,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43215771] [2024-11-07 16:44:35,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:35,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:35,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:35,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:35,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:35,595 INFO L87 Difference]: Start difference. First operand 1289 states and 1768 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:36,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:36,779 INFO L93 Difference]: Finished difference Result 1521 states and 1891 transitions. [2024-11-07 16:44:36,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:36,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-07 16:44:36,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:36,785 INFO L225 Difference]: With dead ends: 1521 [2024-11-07 16:44:36,785 INFO L226 Difference]: Without dead ends: 1521 [2024-11-07 16:44:36,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:36,786 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 853 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:36,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1540 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 16:44:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-07 16:44:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1287. [2024-11-07 16:44:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 823 states have (on average 1.6901579586877278) internal successors, (1391), 1044 states have internal predecessors, (1391), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1759 transitions. [2024-11-07 16:44:36,817 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1759 transitions. Word has length 25 [2024-11-07 16:44:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:36,818 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1759 transitions. [2024-11-07 16:44:36,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1759 transitions. [2024-11-07 16:44:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 16:44:36,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:36,819 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:36,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 16:44:36,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:36,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash 662636278, now seen corresponding path program 1 times [2024-11-07 16:44:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:36,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658191889] [2024-11-07 16:44:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:38,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:38,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658191889] [2024-11-07 16:44:38,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658191889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:44:38,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306012892] [2024-11-07 16:44:38,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:38,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:44:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:44:38,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:44:38,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 16:44:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:41,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 5540 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 16:44:41,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:44:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:41,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:44:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:44:41,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306012892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:44:41,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:44:41,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-07 16:44:41,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138940821] [2024-11-07 16:44:41,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:44:41,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 16:44:41,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 16:44:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-07 16:44:41,718 INFO L87 Difference]: Start difference. First operand 1287 states and 1759 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:42,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:42,303 INFO L93 Difference]: Finished difference Result 1329 states and 1807 transitions. [2024-11-07 16:44:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 16:44:42,304 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-07 16:44:42,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:42,309 INFO L225 Difference]: With dead ends: 1329 [2024-11-07 16:44:42,309 INFO L226 Difference]: Without dead ends: 1329 [2024-11-07 16:44:42,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-07 16:44:42,310 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 151 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:42,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 3294 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 16:44:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-07 16:44:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1305. [2024-11-07 16:44:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 841 states have (on average 1.6753864447086801) internal successors, (1409), 1062 states have internal predecessors, (1409), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1777 transitions. [2024-11-07 16:44:42,339 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1777 transitions. Word has length 25 [2024-11-07 16:44:42,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:42,339 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1777 transitions. [2024-11-07 16:44:42,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1777 transitions. [2024-11-07 16:44:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 16:44:42,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:42,340 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:42,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 16:44:42,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:44:42,541 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:42,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:42,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2031822710, now seen corresponding path program 2 times [2024-11-07 16:44:42,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:42,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541873228] [2024-11-07 16:44:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:42,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:44,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-07 16:44:44,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:44,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541873228] [2024-11-07 16:44:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541873228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:44,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:44,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:44:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769984674] [2024-11-07 16:44:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:44,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:44,858 INFO L87 Difference]: Start difference. First operand 1305 states and 1777 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:45,812 INFO L93 Difference]: Finished difference Result 1385 states and 1819 transitions. [2024-11-07 16:44:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:44:45,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-07 16:44:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:45,816 INFO L225 Difference]: With dead ends: 1385 [2024-11-07 16:44:45,816 INFO L226 Difference]: Without dead ends: 1385 [2024-11-07 16:44:45,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:44:45,817 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 377 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:45,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1860 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 16:44:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-07 16:44:45,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1303. [2024-11-07 16:44:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 841 states have (on average 1.6730083234244946) internal successors, (1407), 1060 states have internal predecessors, (1407), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1775 transitions. [2024-11-07 16:44:45,850 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1775 transitions. Word has length 43 [2024-11-07 16:44:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:45,852 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1775 transitions. [2024-11-07 16:44:45,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 16:44:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1775 transitions. [2024-11-07 16:44:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 16:44:45,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:45,854 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:45,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 16:44:45,854 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:45,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash -255387847, now seen corresponding path program 1 times [2024-11-07 16:44:45,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:45,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848528264] [2024-11-07 16:44:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:45,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:44:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:48,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:44:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:48,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:44:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-07 16:44:48,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:48,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848528264] [2024-11-07 16:44:48,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848528264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:48,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:48,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:44:48,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541172414] [2024-11-07 16:44:48,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:48,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:48,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:48,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:48,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:48,133 INFO L87 Difference]: Start difference. First operand 1303 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:44:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:48,599 INFO L93 Difference]: Finished difference Result 1326 states and 1802 transitions. [2024-11-07 16:44:48,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:44:48,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2024-11-07 16:44:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:48,605 INFO L225 Difference]: With dead ends: 1326 [2024-11-07 16:44:48,605 INFO L226 Difference]: Without dead ends: 1326 [2024-11-07 16:44:48,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:48,606 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 883 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:48,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 1274 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:44:48,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-07 16:44:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-11-07 16:44:48,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 840 states have (on average 1.6714285714285715) internal successors, (1404), 1059 states have internal predecessors, (1404), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1772 transitions. [2024-11-07 16:44:48,634 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1772 transitions. Word has length 67 [2024-11-07 16:44:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:48,635 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1772 transitions. [2024-11-07 16:44:48,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:44:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1772 transitions. [2024-11-07 16:44:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 16:44:48,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:48,638 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:48,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 16:44:48,638 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:48,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash -624077580, now seen corresponding path program 1 times [2024-11-07 16:44:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669749242] [2024-11-07 16:44:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:50,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:44:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:44:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:44:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-07 16:44:51,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:51,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669749242] [2024-11-07 16:44:51,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669749242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:51,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:51,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:51,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914815580] [2024-11-07 16:44:51,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:51,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:51,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:51,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:51,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:51,021 INFO L87 Difference]: Start difference. First operand 1302 states and 1772 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 16:44:51,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:51,699 INFO L93 Difference]: Finished difference Result 1325 states and 1801 transitions. [2024-11-07 16:44:51,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:44:51,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 69 [2024-11-07 16:44:51,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:51,705 INFO L225 Difference]: With dead ends: 1325 [2024-11-07 16:44:51,705 INFO L226 Difference]: Without dead ends: 1325 [2024-11-07 16:44:51,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:51,706 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 139 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:51,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1769 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 16:44:51,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-07 16:44:51,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1301. [2024-11-07 16:44:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 840 states have (on average 1.6702380952380953) internal successors, (1403), 1058 states have internal predecessors, (1403), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1771 transitions. [2024-11-07 16:44:51,732 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1771 transitions. Word has length 69 [2024-11-07 16:44:51,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:51,733 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1771 transitions. [2024-11-07 16:44:51,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 16:44:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1771 transitions. [2024-11-07 16:44:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 16:44:51,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:51,734 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:51,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 16:44:51,734 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:51,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:51,735 INFO L85 PathProgramCache]: Analyzing trace with hash -624077579, now seen corresponding path program 1 times [2024-11-07 16:44:51,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:51,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753714001] [2024-11-07 16:44:51,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:44:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:44:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:44:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-07 16:44:54,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:54,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753714001] [2024-11-07 16:44:54,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753714001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:54,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:54,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:44:54,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310174083] [2024-11-07 16:44:54,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:54,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:54,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:54,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:54,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:54,375 INFO L87 Difference]: Start difference. First operand 1301 states and 1771 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:44:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:55,288 INFO L93 Difference]: Finished difference Result 1324 states and 1800 transitions. [2024-11-07 16:44:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:55,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 69 [2024-11-07 16:44:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:55,293 INFO L225 Difference]: With dead ends: 1324 [2024-11-07 16:44:55,293 INFO L226 Difference]: Without dead ends: 1324 [2024-11-07 16:44:55,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:44:55,294 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 878 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:55,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1759 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 16:44:55,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-07 16:44:55,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1300. [2024-11-07 16:44:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 840 states have (on average 1.6690476190476191) internal successors, (1402), 1057 states have internal predecessors, (1402), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-07 16:44:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1770 transitions. [2024-11-07 16:44:55,319 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1770 transitions. Word has length 69 [2024-11-07 16:44:55,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:55,320 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1770 transitions. [2024-11-07 16:44:55,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 16:44:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1770 transitions. [2024-11-07 16:44:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 16:44:55,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:55,322 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:55,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 16:44:55,323 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:55,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:55,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1556221740, now seen corresponding path program 1 times [2024-11-07 16:44:55,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:55,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152107830] [2024-11-07 16:44:55,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:55,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:44:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:44:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:44:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 16:44:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-07 16:44:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152107830] [2024-11-07 16:44:57,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152107830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:57,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:57,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:57,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379248771] [2024-11-07 16:44:57,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:57,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:57,350 INFO L87 Difference]: Start difference. First operand 1300 states and 1770 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 16:44:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:58,183 INFO L93 Difference]: Finished difference Result 1365 states and 1809 transitions. [2024-11-07 16:44:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:44:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-11-07 16:44:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:58,188 INFO L225 Difference]: With dead ends: 1365 [2024-11-07 16:44:58,188 INFO L226 Difference]: Without dead ends: 1352 [2024-11-07 16:44:58,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:58,189 INFO L432 NwaCegarLoop]: 705 mSDtfsCounter, 233 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:58,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1706 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 16:44:58,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-07 16:44:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1295. [2024-11-07 16:44:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 837 states have (on average 1.6702508960573477) internal successors, (1398), 1054 states have internal predecessors, (1398), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-07 16:44:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1762 transitions. [2024-11-07 16:44:58,215 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1762 transitions. Word has length 74 [2024-11-07 16:44:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:58,216 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1762 transitions. [2024-11-07 16:44:58,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 16:44:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1762 transitions. [2024-11-07 16:44:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 16:44:58,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:58,217 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:58,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 16:44:58,217 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:44:58,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484107, now seen corresponding path program 1 times [2024-11-07 16:44:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060233558] [2024-11-07 16:44:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-07 16:45:01,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:01,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060233558] [2024-11-07 16:45:01,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060233558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:01,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755983449] [2024-11-07 16:45:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:01,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:01,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:01,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:45:01,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 16:45:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:04,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 16:45:04,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:04,249 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 16:45:04,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-07 16:45:04,284 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 [2024-11-07 16:45:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-07 16:45:04,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:04,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755983449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:04,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:45:04,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2024-11-07 16:45:04,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356594669] [2024-11-07 16:45:04,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:04,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 16:45:04,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:04,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 16:45:04,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 16:45:04,372 INFO L87 Difference]: Start difference. First operand 1295 states and 1762 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 16:45:06,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:06,710 INFO L93 Difference]: Finished difference Result 1890 states and 2482 transitions. [2024-11-07 16:45:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 16:45:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 78 [2024-11-07 16:45:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:06,716 INFO L225 Difference]: With dead ends: 1890 [2024-11-07 16:45:06,716 INFO L226 Difference]: Without dead ends: 1890 [2024-11-07 16:45:06,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-07 16:45:06,717 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 942 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 4025 SdHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:06,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 4025 Invalid, 3697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 16:45:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2024-11-07 16:45:06,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1634. [2024-11-07 16:45:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1097 states have (on average 1.6937101185050136) internal successors, (1858), 1325 states have internal predecessors, (1858), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-07 16:45:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2338 transitions. [2024-11-07 16:45:06,753 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2338 transitions. Word has length 78 [2024-11-07 16:45:06,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:06,753 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2338 transitions. [2024-11-07 16:45:06,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 16:45:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2338 transitions. [2024-11-07 16:45:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 16:45:06,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:06,754 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:06,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 16:45:06,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:06,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:45:06,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:06,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484106, now seen corresponding path program 1 times [2024-11-07 16:45:06,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103254221] [2024-11-07 16:45:06,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-07 16:45:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103254221] [2024-11-07 16:45:10,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103254221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256779369] [2024-11-07 16:45:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:10,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:45:10,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 16:45:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 16:45:13,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 16:45:13,501 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 [2024-11-07 16:45:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-07 16:45:13,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:13,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256779369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:13,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:45:13,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11 [2024-11-07 16:45:13,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665918626] [2024-11-07 16:45:13,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:13,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 16:45:13,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:13,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 16:45:13,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 16:45:13,804 INFO L87 Difference]: Start difference. First operand 1634 states and 2338 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 16:45:16,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:16,889 INFO L93 Difference]: Finished difference Result 2102 states and 2721 transitions. [2024-11-07 16:45:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 16:45:16,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 78 [2024-11-07 16:45:16,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:16,897 INFO L225 Difference]: With dead ends: 2102 [2024-11-07 16:45:16,897 INFO L226 Difference]: Without dead ends: 2102 [2024-11-07 16:45:16,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-07 16:45:16,898 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 2438 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 4656 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 5180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 4656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:16,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 3641 Invalid, 5180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 4656 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 16:45:16,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2024-11-07 16:45:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1819. [2024-11-07 16:45:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1240 states have (on average 1.7032258064516128) internal successors, (2112), 1464 states have internal predecessors, (2112), 268 states have call successors, (268), 116 states have call predecessors, (268), 115 states have return successors, (266), 257 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-07 16:45:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2646 transitions. [2024-11-07 16:45:16,938 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2646 transitions. Word has length 78 [2024-11-07 16:45:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:16,938 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2646 transitions. [2024-11-07 16:45:16,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 16:45:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2646 transitions. [2024-11-07 16:45:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 16:45:16,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:16,940 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:16,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 16:45:17,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 16:45:17,140 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:45:17,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499240, now seen corresponding path program 1 times [2024-11-07 16:45:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:17,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057191989] [2024-11-07 16:45:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms