./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_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_outl_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', '8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59'] 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_outl_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 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:44:29,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:44:29,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 16:44:29,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:44:29,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:44:29,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:44:29,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:44:29,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:44:29,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:44:29,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:44:29,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:44:29,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:44:29,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:44:29,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:44:29,744 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:44:29,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:44:29,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:44:29,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:44:29,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:44:29,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:44:29,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:44:29,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:44:29,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:44:29,747 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 -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2024-11-07 16:44:29,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:44:30,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:44:30,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:44:30,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:44:30,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:44:30,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2024-11-07 16:44:31,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:44:31,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:44:31,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2024-11-07 16:44:31,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbf915323/760b0065d6a14cbaa0c974f2995f1eae/FLAG592e654bc [2024-11-07 16:44:31,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbf915323/760b0065d6a14cbaa0c974f2995f1eae [2024-11-07 16:44:31,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:44:31,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:44:31,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:44:31,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:44:31,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:44:31,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:44:31" (1/1) ... [2024-11-07 16:44:31,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d9b2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:31, skipping insertion in model container [2024-11-07 16:44:31,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:44:31" (1/1) ... [2024-11-07 16:44:31,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:44:32,456 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 16:44:32,471 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 16:44:32,483 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 16:44:32,534 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 16:44:32,568 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 16:44:32,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:44:32,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:44:32,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:44:32,943 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:44:32,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32 WrapperNode [2024-11-07 16:44:32,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:44:32,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:44:32,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:44:32,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:44:32,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,132 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-11-07 16:44:33,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:44:33,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:44:33,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:44:33,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:44:33,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,247 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 35, 1040, 480, 59, 35, 11, 5, 15, 2, 120, 67, 5, 2, 37, 2, 20, 4, 2, 16, 3, 12, 18, 34, 5, 0]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 15, 1040, 480, 59, 32, 2, 1, 10, 0, 120, 67, 4, 0, 25, 2, 4, 4, 0, 5, 0, 6, 18, 34, 1, 0]. The 37 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 0, 2, 0, 0, 4, 0, 1, 8, 0, 6, 0, 0, 2, 0]. [2024-11-07 16:44:33,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:44:33,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:44:33,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:44:33,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:44:33,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (1/1) ... [2024-11-07 16:44:33,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:44:33,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:44:33,486 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 16:44:33,497 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 16:44:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-07 16:44:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-07 16:44:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 16:44:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-07 16:44:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 16:44:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 16:44:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:44:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-07 16:44:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-07 16:44:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 16:44:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-07 16:44:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 16:44:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 16:44:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 16:44:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 16:44:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 16:44:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 16:44:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 16:44:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 16:44:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 16:44:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-07 16:44:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 16:44:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 16:44:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 16:44:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-07 16:44:33,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-07 16:44:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 16:44:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-07 16:44:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-07 16:44:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-07 16:44:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-07 16:44:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 16:44:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 16:44:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-07 16:44:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 16:44:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-07 16:44:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-07 16:44:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-07 16:44:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-07 16:44:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-07 16:44:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 16:44:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 16:44:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 16:44:33,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-07 16:44:33,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-07 16:44:33,940 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:44:33,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:44:37,261 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-07 16:44:37,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:44:37,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:44:37,288 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 16:44:37,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:44:37 BoogieIcfgContainer [2024-11-07 16:44:37,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:44:37,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:44:37,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:44:37,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:44:37,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:44:31" (1/3) ... [2024-11-07 16:44:37,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b5011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:44:37, skipping insertion in model container [2024-11-07 16:44:37,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:44:32" (2/3) ... [2024-11-07 16:44:37,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b5011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:44:37, skipping insertion in model container [2024-11-07 16:44:37,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:44:37" (3/3) ... [2024-11-07 16:44:37,295 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2024-11-07 16:44:37,306 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:44:37,307 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-07 16:44:37,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:44:37,347 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;@77dbff4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:44:37,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-07 16:44:37,353 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 16:44:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 16:44:37,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:37,359 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 16:44:37,360 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 16:44:37,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:37,363 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-11-07 16:44:37,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:37,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546276177] [2024-11-07 16:44:37,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:40,371 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 16:44:40,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:40,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546276177] [2024-11-07 16:44:40,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546276177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:40,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:40,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:40,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679088255] [2024-11-07 16:44:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:40,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:40,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:40,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:40,396 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 16:44:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:41,486 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-11-07 16:44:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:41,487 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 16:44:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:41,496 INFO L225 Difference]: With dead ends: 1270 [2024-11-07 16:44:41,496 INFO L226 Difference]: Without dead ends: 1266 [2024-11-07 16:44:41,497 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 16:44:41,499 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 728 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:41,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2568 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 16:44:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-07 16:44:41,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-11-07 16:44:41,581 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 16:44:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-11-07 16:44:41,591 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-11-07 16:44:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:41,591 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-11-07 16:44:41,591 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 16:44:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-11-07 16:44:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 16:44:41,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:41,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 16:44:41,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 16:44:41,592 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 16:44:41,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-11-07 16:44:41,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:41,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097848084] [2024-11-07 16:44:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:44,352 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 16:44:44,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:44,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097848084] [2024-11-07 16:44:44,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097848084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:44,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:44,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:44,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646770558] [2024-11-07 16:44:44,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:44,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:44,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:44,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:44,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:44,356 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 16:44:45,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:45,144 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-11-07 16:44:45,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:45,145 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 16:44:45,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:45,152 INFO L225 Difference]: With dead ends: 1193 [2024-11-07 16:44:45,152 INFO L226 Difference]: Without dead ends: 1193 [2024-11-07 16:44:45,152 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 16:44:45,153 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:45,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 16:44:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-07 16:44:45,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-11-07 16:44:45,183 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 16:44:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-11-07 16:44:45,189 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-11-07 16:44:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:45,189 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-11-07 16:44:45,189 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 16:44:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-11-07 16:44:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 16:44:45,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:45,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:45,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 16:44:45,190 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 16:44:45,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-11-07 16:44:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473986751] [2024-11-07 16:44:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:45,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:47,360 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 16:44:47,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:47,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473986751] [2024-11-07 16:44:47,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473986751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:47,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:47,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:44:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660788226] [2024-11-07 16:44:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:47,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:44:47,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:44:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:44:47,362 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 16:44:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:48,350 INFO L93 Difference]: Finished difference Result 1360 states and 1649 transitions. [2024-11-07 16:44:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:44:48,351 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 16:44:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:48,355 INFO L225 Difference]: With dead ends: 1360 [2024-11-07 16:44:48,355 INFO L226 Difference]: Without dead ends: 1360 [2024-11-07 16:44:48,355 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 16:44:48,356 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 868 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:48,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1529 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 16:44:48,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-07 16:44:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1133. [2024-11-07 16:44:48,373 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 16:44:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1532 transitions. [2024-11-07 16:44:48,377 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1532 transitions. Word has length 11 [2024-11-07 16:44:48,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:48,377 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1532 transitions. [2024-11-07 16:44:48,377 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 16:44:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1532 transitions. [2024-11-07 16:44:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 16:44:48,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:48,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:48,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 16:44:48,378 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 16:44:48,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:48,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255733, now seen corresponding path program 1 times [2024-11-07 16:44:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:48,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588692404] [2024-11-07 16:44:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:48,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:50,729 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 16:44:50,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:50,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588692404] [2024-11-07 16:44:50,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588692404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:44:50,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:44:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:44:50,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579298298] [2024-11-07 16:44:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:44:50,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:44:50,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:50,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:44:50,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:44:50,730 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 16:44:51,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:51,615 INFO L93 Difference]: Finished difference Result 1217 states and 1572 transitions. [2024-11-07 16:44:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:44:51,615 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 16:44:51,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:51,619 INFO L225 Difference]: With dead ends: 1217 [2024-11-07 16:44:51,619 INFO L226 Difference]: Without dead ends: 1217 [2024-11-07 16:44:51,619 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 16:44:51,619 INFO L432 NwaCegarLoop]: 750 mSDtfsCounter, 407 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:51,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1880 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 16:44:51,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-07 16:44:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1136. [2024-11-07 16:44:51,655 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 16:44:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1535 transitions. [2024-11-07 16:44:51,662 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1535 transitions. Word has length 11 [2024-11-07 16:44:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:51,662 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1535 transitions. [2024-11-07 16:44:51,662 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 16:44:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1535 transitions. [2024-11-07 16:44:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 16:44:51,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:51,663 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:51,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 16:44:51,663 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 16:44:51,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash 368369967, now seen corresponding path program 1 times [2024-11-07 16:44:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162373061] [2024-11-07 16:44:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:44:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:44:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:54,116 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 16:44:54,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:44:54,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162373061] [2024-11-07 16:44:54,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162373061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:44:54,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505041025] [2024-11-07 16:44:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:44:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:44:54,122 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 16:44:54,123 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 16:44:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:44:56,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 5480 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 16:44:56,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:44:57,085 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 16:44:57,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:44:57,158 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 16:44:57,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505041025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:44:57,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:44:57,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-07 16:44:57,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614886757] [2024-11-07 16:44:57,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:44:57,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 16:44:57,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:44:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 16:44:57,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 16:44:57,159 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 16:44:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:44:59,730 INFO L93 Difference]: Finished difference Result 1437 states and 1816 transitions. [2024-11-07 16:44:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 16:44:59,731 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 16:44:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:44:59,736 INFO L225 Difference]: With dead ends: 1437 [2024-11-07 16:44:59,736 INFO L226 Difference]: Without dead ends: 1437 [2024-11-07 16:44:59,737 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 16:44:59,738 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 882 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:44:59,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 4490 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 16:44:59,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-07 16:44:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1289. [2024-11-07 16:44:59,757 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 16:44:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1768 transitions. [2024-11-07 16:44:59,760 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1768 transitions. Word has length 14 [2024-11-07 16:44:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:44:59,761 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1768 transitions. [2024-11-07 16:44:59,761 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 16:44:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1768 transitions. [2024-11-07 16:44:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 16:44:59,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:44:59,762 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:44:59,787 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 16:44:59,965 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 16:44:59,966 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 16:44:59,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:44:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash 662636277, now seen corresponding path program 1 times [2024-11-07 16:44:59,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:44:59,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361778996] [2024-11-07 16:44:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:44:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:01,915 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 16:45:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:01,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361778996] [2024-11-07 16:45:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361778996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:01,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:45:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257551136] [2024-11-07 16:45:01,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:01,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:45:01,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:45:01,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:45:01,917 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 16:45:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:02,892 INFO L93 Difference]: Finished difference Result 1521 states and 1891 transitions. [2024-11-07 16:45:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:45:02,893 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 16:45:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:02,897 INFO L225 Difference]: With dead ends: 1521 [2024-11-07 16:45:02,897 INFO L226 Difference]: Without dead ends: 1521 [2024-11-07 16:45:02,898 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 16:45:02,898 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 853 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:02,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1540 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 16:45:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-07 16:45:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1287. [2024-11-07 16:45:02,918 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 16:45:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1759 transitions. [2024-11-07 16:45:02,921 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1759 transitions. Word has length 25 [2024-11-07 16:45:02,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:02,922 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1759 transitions. [2024-11-07 16:45:02,922 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 16:45:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1759 transitions. [2024-11-07 16:45:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 16:45:02,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:02,923 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:02,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 16:45:02,923 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 16:45:02,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 662636278, now seen corresponding path program 1 times [2024-11-07 16:45:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:02,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543015863] [2024-11-07 16:45:02,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:02,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:04,914 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 16:45:04,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:04,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543015863] [2024-11-07 16:45:04,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543015863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:04,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718649705] [2024-11-07 16:45:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:04,916 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 16:45:04,917 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 16:45:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:07,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 5540 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 16:45:07,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:07,495 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 16:45:07,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:07,550 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 16:45:07,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718649705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:45:07,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:45:07,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-07 16:45:07,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282874105] [2024-11-07 16:45:07,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:07,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 16:45:07,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:07,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 16:45:07,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-07 16:45:07,552 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 16:45:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:08,155 INFO L93 Difference]: Finished difference Result 1329 states and 1807 transitions. [2024-11-07 16:45:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 16:45:08,155 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 16:45:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:08,159 INFO L225 Difference]: With dead ends: 1329 [2024-11-07 16:45:08,159 INFO L226 Difference]: Without dead ends: 1329 [2024-11-07 16:45:08,159 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 16:45:08,160 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 16:45:08,160 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 16:45:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-07 16:45:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1305. [2024-11-07 16:45:08,178 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 16:45:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1777 transitions. [2024-11-07 16:45:08,180 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1777 transitions. Word has length 25 [2024-11-07 16:45:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:08,181 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1777 transitions. [2024-11-07 16:45:08,181 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 16:45:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1777 transitions. [2024-11-07 16:45:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 16:45:08,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:08,181 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:08,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 16:45:08,385 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 16:45:08,386 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 16:45:08,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:08,386 INFO L85 PathProgramCache]: Analyzing trace with hash 2031822710, now seen corresponding path program 2 times [2024-11-07 16:45:08,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:08,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480687642] [2024-11-07 16:45:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:10,578 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 16:45:10,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:10,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480687642] [2024-11-07 16:45:10,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480687642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:10,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:10,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:45:10,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150601941] [2024-11-07 16:45:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:10,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:45:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:45:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:45:10,579 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 16:45:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:11,519 INFO L93 Difference]: Finished difference Result 1385 states and 1819 transitions. [2024-11-07 16:45:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:45:11,519 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 16:45:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:11,523 INFO L225 Difference]: With dead ends: 1385 [2024-11-07 16:45:11,523 INFO L226 Difference]: Without dead ends: 1385 [2024-11-07 16:45:11,523 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 16:45:11,524 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 16:45:11,524 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 16:45:11,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-07 16:45:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1303. [2024-11-07 16:45:11,539 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 16:45:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1775 transitions. [2024-11-07 16:45:11,541 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1775 transitions. Word has length 43 [2024-11-07 16:45:11,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:11,542 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1775 transitions. [2024-11-07 16:45:11,542 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 16:45:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1775 transitions. [2024-11-07 16:45:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 16:45:11,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:11,543 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 16:45:11,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 16:45:11,543 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 16:45:11,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash -255387847, now seen corresponding path program 1 times [2024-11-07 16:45:11,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:11,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372534984] [2024-11-07 16:45:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:11,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:13,612 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 16:45:13,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:13,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372534984] [2024-11-07 16:45:13,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372534984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:13,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:13,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:45:13,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735424870] [2024-11-07 16:45:13,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:13,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:45:13,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:45:13,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:45:13,614 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 16:45:14,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:14,016 INFO L93 Difference]: Finished difference Result 1326 states and 1802 transitions. [2024-11-07 16:45:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:45:14,016 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 16:45:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:14,021 INFO L225 Difference]: With dead ends: 1326 [2024-11-07 16:45:14,021 INFO L226 Difference]: Without dead ends: 1326 [2024-11-07 16:45:14,021 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 16:45:14,021 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 883 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 16:45:14,021 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 16:45:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-07 16:45:14,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-11-07 16:45:14,035 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 16:45:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1772 transitions. [2024-11-07 16:45:14,038 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1772 transitions. Word has length 67 [2024-11-07 16:45:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:14,038 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1772 transitions. [2024-11-07 16:45:14,038 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 16:45:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1772 transitions. [2024-11-07 16:45:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 16:45:14,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:14,039 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 16:45:14,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 16:45:14,039 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 16:45:14,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:14,039 INFO L85 PathProgramCache]: Analyzing trace with hash -624077580, now seen corresponding path program 1 times [2024-11-07 16:45:14,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:14,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338032001] [2024-11-07 16:45:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:14,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:16,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:16,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:16,142 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 16:45:16,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:16,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338032001] [2024-11-07 16:45:16,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338032001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:16,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:16,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:45:16,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74917552] [2024-11-07 16:45:16,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:16,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:45:16,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:16,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:45:16,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:45:16,144 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 16:45:16,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:16,754 INFO L93 Difference]: Finished difference Result 1325 states and 1801 transitions. [2024-11-07 16:45:16,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:45:16,755 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 16:45:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:16,760 INFO L225 Difference]: With dead ends: 1325 [2024-11-07 16:45:16,760 INFO L226 Difference]: Without dead ends: 1325 [2024-11-07 16:45:16,760 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 16:45:16,760 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 139 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:16,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1769 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 16:45:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-07 16:45:16,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1301. [2024-11-07 16:45:16,775 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 16:45:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1771 transitions. [2024-11-07 16:45:16,781 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1771 transitions. Word has length 69 [2024-11-07 16:45:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:16,781 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1771 transitions. [2024-11-07 16:45:16,781 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 16:45:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1771 transitions. [2024-11-07 16:45:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 16:45:16,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:16,783 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 16:45:16,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 16:45:16,783 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 16:45:16,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:16,783 INFO L85 PathProgramCache]: Analyzing trace with hash -624077579, now seen corresponding path program 1 times [2024-11-07 16:45:16,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:16,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108152760] [2024-11-07 16:45:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:16,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:19,540 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 16:45:19,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:19,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108152760] [2024-11-07 16:45:19,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108152760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:19,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:19,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:45:19,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031728917] [2024-11-07 16:45:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:19,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:45:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:45:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:45:19,542 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 16:45:20,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:20,238 INFO L93 Difference]: Finished difference Result 1324 states and 1800 transitions. [2024-11-07 16:45:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:45:20,238 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 16:45:20,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:20,242 INFO L225 Difference]: With dead ends: 1324 [2024-11-07 16:45:20,242 INFO L226 Difference]: Without dead ends: 1324 [2024-11-07 16:45:20,242 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 16:45:20,243 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 878 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:20,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1759 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 16:45:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-07 16:45:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1300. [2024-11-07 16:45:20,257 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 16:45:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1770 transitions. [2024-11-07 16:45:20,260 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1770 transitions. Word has length 69 [2024-11-07 16:45:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:20,261 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1770 transitions. [2024-11-07 16:45:20,261 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 16:45:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1770 transitions. [2024-11-07 16:45:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 16:45:20,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:20,261 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 16:45:20,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 16:45:20,263 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 16:45:20,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1556221740, now seen corresponding path program 1 times [2024-11-07 16:45:20,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:20,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55406027] [2024-11-07 16:45:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:20,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 16:45:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:22,439 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 16:45:22,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:22,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55406027] [2024-11-07 16:45:22,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55406027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:22,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:22,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:45:22,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764993669] [2024-11-07 16:45:22,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:22,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:45:22,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:45:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:45:22,444 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 16:45:23,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:23,298 INFO L93 Difference]: Finished difference Result 1365 states and 1809 transitions. [2024-11-07 16:45:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:45:23,298 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 16:45:23,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:23,306 INFO L225 Difference]: With dead ends: 1365 [2024-11-07 16:45:23,306 INFO L226 Difference]: Without dead ends: 1352 [2024-11-07 16:45:23,306 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 16:45:23,307 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 16:45:23,308 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 16:45:23,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-07 16:45:23,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1295. [2024-11-07 16:45:23,327 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 16:45:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1762 transitions. [2024-11-07 16:45:23,329 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1762 transitions. Word has length 74 [2024-11-07 16:45:23,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:23,330 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1762 transitions. [2024-11-07 16:45:23,330 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 16:45:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1762 transitions. [2024-11-07 16:45:23,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 16:45:23,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:23,331 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 16:45:23,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 16:45:23,331 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 16:45:23,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:23,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484107, now seen corresponding path program 1 times [2024-11-07 16:45:23,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:23,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179142093] [2024-11-07 16:45:23,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:23,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:26,185 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 16:45:26,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:26,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179142093] [2024-11-07 16:45:26,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179142093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:26,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780998859] [2024-11-07 16:45:26,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:26,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:26,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:26,191 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 16:45:26,194 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 16:45:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:28,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 16:45:28,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:29,134 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 16:45:29,134 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 16:45:29,161 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 16:45:29,186 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 16:45:29,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:29,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780998859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:29,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:45:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2024-11-07 16:45:29,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243249064] [2024-11-07 16:45:29,222 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:29,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 16:45:29,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:29,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 16:45:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 16:45:29,227 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 16:45:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:31,740 INFO L93 Difference]: Finished difference Result 1890 states and 2482 transitions. [2024-11-07 16:45:31,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 16:45:31,741 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 16:45:31,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:31,746 INFO L225 Difference]: With dead ends: 1890 [2024-11-07 16:45:31,746 INFO L226 Difference]: Without dead ends: 1890 [2024-11-07 16:45:31,746 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 16:45:31,747 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 942 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:31,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 4025 Invalid, 3697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 16:45:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2024-11-07 16:45:31,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1634. [2024-11-07 16:45:31,767 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 16:45:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2338 transitions. [2024-11-07 16:45:31,770 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2338 transitions. Word has length 78 [2024-11-07 16:45:31,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:31,771 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2338 transitions. [2024-11-07 16:45:31,771 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 16:45:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2338 transitions. [2024-11-07 16:45:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 16:45:31,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:31,772 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 16:45:31,798 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 16:45:31,972 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 16:45:31,972 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 16:45:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484106, now seen corresponding path program 1 times [2024-11-07 16:45:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815684427] [2024-11-07 16:45:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:34,648 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 16:45:34,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815684427] [2024-11-07 16:45:34,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815684427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692957606] [2024-11-07 16:45:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:34,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:34,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:34,650 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 16:45:34,651 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 16:45:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:37,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 16:45:37,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:37,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 16:45:37,741 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 16:45:37,803 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 16:45:37,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692957606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:37,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:45:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11 [2024-11-07 16:45:37,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087659426] [2024-11-07 16:45:37,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:37,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 16:45:37,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 16:45:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 16:45:37,993 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 16:45:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:40,639 INFO L93 Difference]: Finished difference Result 2102 states and 2721 transitions. [2024-11-07 16:45:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 16:45:40,639 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 16:45:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:40,653 INFO L225 Difference]: With dead ends: 2102 [2024-11-07 16:45:40,653 INFO L226 Difference]: Without dead ends: 2102 [2024-11-07 16:45:40,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-07 16:45:40,653 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 2438 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 4656 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.5s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:40,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 3641 Invalid, 5180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 4656 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-07 16:45:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2024-11-07 16:45:40,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1819. [2024-11-07 16:45:40,678 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 16:45:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2646 transitions. [2024-11-07 16:45:40,681 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2646 transitions. Word has length 78 [2024-11-07 16:45:40,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:40,681 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2646 transitions. [2024-11-07 16:45:40,682 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 16:45:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2646 transitions. [2024-11-07 16:45:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 16:45:40,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:40,682 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 16:45:40,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 16:45:40,882 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 16:45:40,883 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 16:45:40,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:40,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499240, now seen corresponding path program 1 times [2024-11-07 16:45:40,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:40,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403332107] [2024-11-07 16:45:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 16:45:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 16:45:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:43,041 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 16:45:43,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:43,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403332107] [2024-11-07 16:45:43,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403332107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:43,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:43,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:45:43,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839257104] [2024-11-07 16:45:43,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:43,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:45:43,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:45:43,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:45:43,043 INFO L87 Difference]: Start difference. First operand 1819 states and 2646 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 16:45:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:43,914 INFO L93 Difference]: Finished difference Result 2048 states and 2778 transitions. [2024-11-07 16:45:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:45:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-11-07 16:45:43,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:43,920 INFO L225 Difference]: With dead ends: 2048 [2024-11-07 16:45:43,920 INFO L226 Difference]: Without dead ends: 2048 [2024-11-07 16:45:43,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 16:45:43,921 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 752 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:43,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 2348 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 16:45:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-07 16:45:43,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1819. [2024-11-07 16:45:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1240 states have (on average 1.7008064516129033) internal successors, (2109), 1464 states have internal predecessors, (2109), 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 16:45:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2643 transitions. [2024-11-07 16:45:43,953 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2643 transitions. Word has length 81 [2024-11-07 16:45:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:43,953 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2643 transitions. [2024-11-07 16:45:43,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 16:45:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2643 transitions. [2024-11-07 16:45:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 16:45:43,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:43,954 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 16:45:43,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 16:45:43,955 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr115REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-07 16:45:43,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499241, now seen corresponding path program 1 times [2024-11-07 16:45:43,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:43,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61221136] [2024-11-07 16:45:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 16:45:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 16:45:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:45,933 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 16:45:45,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:45,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61221136] [2024-11-07 16:45:45,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61221136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:45:45,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:45:45,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 16:45:45,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099272095] [2024-11-07 16:45:45,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:45:45,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 16:45:45,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:45,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 16:45:45,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:45:45,939 INFO L87 Difference]: Start difference. First operand 1819 states and 2643 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 16:45:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:46,468 INFO L93 Difference]: Finished difference Result 1446 states and 2035 transitions. [2024-11-07 16:45:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:45:46,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-11-07 16:45:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:46,472 INFO L225 Difference]: With dead ends: 1446 [2024-11-07 16:45:46,472 INFO L226 Difference]: Without dead ends: 1441 [2024-11-07 16:45:46,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:45:46,472 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 138 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:46,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 3306 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 16:45:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2024-11-07 16:45:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1415. [2024-11-07 16:45:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 942 states have (on average 1.7101910828025477) internal successors, (1611), 1153 states have internal predecessors, (1611), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-07 16:45:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1995 transitions. [2024-11-07 16:45:46,487 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1995 transitions. Word has length 81 [2024-11-07 16:45:46,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:46,487 INFO L471 AbstractCegarLoop]: Abstraction has 1415 states and 1995 transitions. [2024-11-07 16:45:46,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 16:45:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1995 transitions. [2024-11-07 16:45:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 16:45:46,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:46,488 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:46,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 16:45:46,488 INFO L396 AbstractCegarLoop]: === Iteration 17 === 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 16:45:46,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2000403802, now seen corresponding path program 1 times [2024-11-07 16:45:46,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:46,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27308923] [2024-11-07 16:45:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 16:45:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-07 16:45:49,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:49,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27308923] [2024-11-07 16:45:49,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27308923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:49,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900052240] [2024-11-07 16:45:49,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:49,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:49,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:49,101 INFO L229 MonitoredProcess]: Starting monitored process 6 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 16:45:49,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 16:45:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:51,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 5879 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 16:45:51,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:45:52,115 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-07 16:45:52,116 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 16:45:52,151 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-11-07 16:45:52,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 13 [2024-11-07 16:45:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-07 16:45:52,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:45:52,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900052240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:52,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:45:52,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2024-11-07 16:45:52,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712033014] [2024-11-07 16:45:52,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:45:52,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 16:45:52,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:45:52,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 16:45:52,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 16:45:52,222 INFO L87 Difference]: Start difference. First operand 1415 states and 1995 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 16:45:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:45:53,888 INFO L93 Difference]: Finished difference Result 1617 states and 2042 transitions. [2024-11-07 16:45:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 16:45:53,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 84 [2024-11-07 16:45:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:45:53,893 INFO L225 Difference]: With dead ends: 1617 [2024-11-07 16:45:53,893 INFO L226 Difference]: Without dead ends: 1617 [2024-11-07 16:45:53,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-07 16:45:53,893 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 932 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 16:45:53,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 2674 Invalid, 2417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 16:45:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-07 16:45:53,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1414. [2024-11-07 16:45:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 942 states have (on average 1.7091295116772824) internal successors, (1610), 1152 states have internal predecessors, (1610), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-07 16:45:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1994 transitions. [2024-11-07 16:45:53,908 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1994 transitions. Word has length 84 [2024-11-07 16:45:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:45:53,908 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1994 transitions. [2024-11-07 16:45:53,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 16:45:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1994 transitions. [2024-11-07 16:45:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 16:45:53,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:45:53,909 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:45:53,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 16:45:54,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 16:45:54,109 INFO L396 AbstractCegarLoop]: === Iteration 18 === 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 16:45:54,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:45:54,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2000403803, now seen corresponding path program 1 times [2024-11-07 16:45:54,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:45:54,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578619213] [2024-11-07 16:45:54,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:45:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 16:45:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 16:45:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 16:45:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 16:45:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 16:45:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 16:45:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:45:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-07 16:45:57,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:45:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578619213] [2024-11-07 16:45:57,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578619213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:45:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052943055] [2024-11-07 16:45:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:45:57,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:45:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:45:57,207 INFO L229 MonitoredProcess]: Starting monitored process 7 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 16:45:57,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 16:46:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:46:00,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 5879 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 16:46:00,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:46:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 16:46:00,558 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 16:46:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-07 16:46:00,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:46:00,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052943055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:46:00,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 16:46:00,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11 [2024-11-07 16:46:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717713031] [2024-11-07 16:46:00,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 16:46:00,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 16:46:00,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:46:00,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 16:46:00,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-07 16:46:00,784 INFO L87 Difference]: Start difference. First operand 1414 states and 1994 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 9 states have internal predecessors, (82), 6 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12)