./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-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 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:58:48,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:58:48,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 06:58:48,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:58:48,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:58:48,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:58:48,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:58:48,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:58:48,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 06:58:48,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 06:58:48,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:58:48,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:58:48,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:58:48,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:58:48,746 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:58:48,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:58:48,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:58:48,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:58:48,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:58:48,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:58:48,747 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 06:58:48,751 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 06:58:48,751 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 06:58:48,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:58:48,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 06:58:48,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:58:48,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:58:48,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:58:48,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:58:48,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:58:48,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:58:48,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 06:58:48,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:58:48,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:58:48,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:58:48,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:58:48,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:58:48,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:58:48,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:58:48,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:58:48,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:58:48,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:58:48,761 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2024-11-19 06:58:48,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:58:48,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:58:48,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:58:48,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:58:48,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:58:48,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2024-11-19 06:58:50,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:58:50,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:58:50,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2024-11-19 06:58:50,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f30d6c09/2c3bd3c29ed8495a8c65e63ca3f1e21b/FLAG45bd6b39b [2024-11-19 06:58:50,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f30d6c09/2c3bd3c29ed8495a8c65e63ca3f1e21b [2024-11-19 06:58:50,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:58:50,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:58:50,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:58:50,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:58:50,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:58:50,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:50" (1/1) ... [2024-11-19 06:58:50,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c26eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:50, skipping insertion in model container [2024-11-19 06:58:50,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:50" (1/1) ... [2024-11-19 06:58:50,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:58:51,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:58:51,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:58:51,617 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:58:51,665 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:58:51,698 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 06:58:51,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:58:51,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:58:52,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:58:52,146 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:58:52,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52 WrapperNode [2024-11-19 06:58:52,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:58:52,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:58:52,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:58:52,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:58:52,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,412 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-11-19 06:58:52,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:58:52,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:58:52,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:58:52,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:58:52,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,581 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [0, 5, 3, 35, 1040, 480, 5, 59, 35, 11, 5, 15, 120, 67, 37, 16, 2, 20, 4, 2, 18, 12, 2, 34, 2, 5, 3]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [0, 3, 3, 15, 1040, 480, 4, 59, 32, 2, 1, 10, 120, 67, 25, 5, 2, 4, 4, 0, 18, 6, 0, 34, 0, 1, 0]. The 37 writes are split as follows [0, 0, 0, 6, 0, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 8, 0, 4, 0, 0, 0, 6, 2, 0, 1, 2, 0]. [2024-11-19 06:58:52,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:58:52,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:58:52,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:58:52,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:58:52,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (1/1) ... [2024-11-19 06:58:52,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:58:52,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:58:52,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:58:52,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:58:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-19 06:58:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-19 06:58:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 06:58:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 06:58:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 06:58:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-19 06:58:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 06:58:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 06:58:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:58:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-19 06:58:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-19 06:58:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-19 06:58:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-19 06:58:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:58:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-19 06:58:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 06:58:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 06:58:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 06:58:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 06:58:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 06:58:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-19 06:58:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-19 06:58:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 06:58:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 06:58:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 06:58:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 06:58:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-19 06:58:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-19 06:58:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 06:58:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-19 06:58:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-19 06:58:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-19 06:58:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 06:58:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 06:58:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 06:58:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-19 06:58:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-19 06:58:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-19 06:58:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 06:58:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 06:58:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 06:58:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 06:58:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 06:58:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 06:58:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 06:58:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 06:58:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 06:58:53,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:58:53,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:58:56,405 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-19 06:58:56,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:58:56,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:58:56,439 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 06:58:56,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:56 BoogieIcfgContainer [2024-11-19 06:58:56,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:58:56,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:58:56,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:58:56,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:58:56,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:58:50" (1/3) ... [2024-11-19 06:58:56,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0a40dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:56, skipping insertion in model container [2024-11-19 06:58:56,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:52" (2/3) ... [2024-11-19 06:58:56,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0a40dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:56, skipping insertion in model container [2024-11-19 06:58:56,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:56" (3/3) ... [2024-11-19 06:58:56,447 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2024-11-19 06:58:56,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:58:56,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-19 06:58:56,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:58:56,526 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;@6ed53d13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:58:56,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-19 06:58:56,533 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) [2024-11-19 06:58:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 06:58:56,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:58:56,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 06:58:56,546 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)] === [2024-11-19 06:58:56,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:58:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-11-19 06:58:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:58:56,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414786247] [2024-11-19 06:58:56,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:58:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:58:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:58:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:58:59,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:58:59,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414786247] [2024-11-19 06:58:59,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414786247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:58:59,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:58:59,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:58:59,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209249661] [2024-11-19 06:58:59,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:58:59,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:58:59,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:58:59,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:58:59,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:58:59,478 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) [2024-11-19 06:59:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:00,597 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-11-19 06:59:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:59:00,601 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 [2024-11-19 06:59:00,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:00,622 INFO L225 Difference]: With dead ends: 1270 [2024-11-19 06:59:00,622 INFO L226 Difference]: Without dead ends: 1266 [2024-11-19 06:59:00,624 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 [2024-11-19 06:59:00,628 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 [2024-11-19 06:59:00,629 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] [2024-11-19 06:59:00,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-19 06:59:00,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-11-19 06:59:00,733 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) [2024-11-19 06:59:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-11-19 06:59:00,741 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-11-19 06:59:00,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:00,741 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-11-19 06:59:00,741 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) [2024-11-19 06:59:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-11-19 06:59:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 06:59:00,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:00,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 06:59:00,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:59:00,742 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)] === [2024-11-19 06:59:00,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:00,743 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-11-19 06:59:00,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:00,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301525886] [2024-11-19 06:59:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:03,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:03,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301525886] [2024-11-19 06:59:03,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301525886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:03,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:03,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:59:03,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039964356] [2024-11-19 06:59:03,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:03,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:59:03,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:03,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:59:03,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:59:03,660 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) [2024-11-19 06:59:04,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:04,924 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-11-19 06:59:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:59:04,924 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 [2024-11-19 06:59:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:04,938 INFO L225 Difference]: With dead ends: 1193 [2024-11-19 06:59:04,939 INFO L226 Difference]: Without dead ends: 1193 [2024-11-19 06:59:04,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:59:04,940 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:04,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 06:59:04,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-19 06:59:04,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-11-19 06:59:04,977 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) [2024-11-19 06:59:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-11-19 06:59:04,984 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-11-19 06:59:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:04,984 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-11-19 06:59:04,985 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) [2024-11-19 06:59:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-11-19 06:59:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 06:59:04,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:04,985 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:04,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:59:04,986 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)] === [2024-11-19 06:59:04,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:04,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-11-19 06:59:04,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:04,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021037095] [2024-11-19 06:59:04,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:04,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:06,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:06,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021037095] [2024-11-19 06:59:06,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021037095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:06,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:06,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:59:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431062030] [2024-11-19 06:59:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:06,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:06,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:06,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:06,954 INFO L87 Difference]: Start difference. First operand 1134 states and 1537 transitions. Second operand has 3 states, 2 states have (on average 4.5) 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) [2024-11-19 06:59:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:07,359 INFO L93 Difference]: Finished difference Result 1340 states and 1624 transitions. [2024-11-19 06:59:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:07,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 [2024-11-19 06:59:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:07,367 INFO L225 Difference]: With dead ends: 1340 [2024-11-19 06:59:07,367 INFO L226 Difference]: Without dead ends: 1340 [2024-11-19 06:59:07,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:07,371 INFO L432 NwaCegarLoop]: 755 mSDtfsCounter, 710 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:07,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1347 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 06:59:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-19 06:59:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1133. [2024-11-19 06:59:07,406 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) [2024-11-19 06:59:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1532 transitions. [2024-11-19 06:59:07,413 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1532 transitions. Word has length 11 [2024-11-19 06:59:07,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:07,414 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1532 transitions. [2024-11-19 06:59:07,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-19 06:59:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1532 transitions. [2024-11-19 06:59:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 06:59:07,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:07,415 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:07,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:59:07,415 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)] === [2024-11-19 06:59:07,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:07,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255733, now seen corresponding path program 1 times [2024-11-19 06:59:07,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:07,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376632325] [2024-11-19 06:59:07,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:09,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:09,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376632325] [2024-11-19 06:59:09,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376632325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:09,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:09,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:59:09,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491843806] [2024-11-19 06:59:09,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:09,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:59:09,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:59:09,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:59:09,823 INFO L87 Difference]: Start difference. First operand 1133 states and 1532 transitions. Second operand has 4 states, 3 states have (on average 3.0) 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) [2024-11-19 06:59:10,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:10,342 INFO L93 Difference]: Finished difference Result 1197 states and 1547 transitions. [2024-11-19 06:59:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:59:10,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) 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 [2024-11-19 06:59:10,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:10,346 INFO L225 Difference]: With dead ends: 1197 [2024-11-19 06:59:10,346 INFO L226 Difference]: Without dead ends: 1197 [2024-11-19 06:59:10,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:59:10,347 INFO L432 NwaCegarLoop]: 886 mSDtfsCounter, 286 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:10,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1620 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 06:59:10,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-19 06:59:10,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1136. [2024-11-19 06:59:10,369 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) [2024-11-19 06:59:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1535 transitions. [2024-11-19 06:59:10,373 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1535 transitions. Word has length 11 [2024-11-19 06:59:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:10,374 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1535 transitions. [2024-11-19 06:59:10,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) 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) [2024-11-19 06:59:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1535 transitions. [2024-11-19 06:59:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 06:59:10,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:10,374 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:10,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:59:10,375 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)] === [2024-11-19 06:59:10,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash 368369967, now seen corresponding path program 1 times [2024-11-19 06:59:10,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:10,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936168990] [2024-11-19 06:59:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:12,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:12,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936168990] [2024-11-19 06:59:12,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936168990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:59:12,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112934605] [2024-11-19 06:59:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:12,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:59:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:59:12,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:59:12,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 06:59:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:15,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 5480 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 06:59:15,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:59:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:15,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:59:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:15,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112934605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:59:15,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:59:15,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 4] total 11 [2024-11-19 06:59:15,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532012624] [2024-11-19 06:59:15,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:59:15,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 06:59:15,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:15,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 06:59:15,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-19 06:59:15,832 INFO L87 Difference]: Start difference. First operand 1136 states and 1535 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:59:18,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:18,007 INFO L93 Difference]: Finished difference Result 1413 states and 1786 transitions. [2024-11-19 06:59:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 06:59:18,008 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 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 [2024-11-19 06:59:18,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:18,012 INFO L225 Difference]: With dead ends: 1413 [2024-11-19 06:59:18,012 INFO L226 Difference]: Without dead ends: 1413 [2024-11-19 06:59:18,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-19 06:59:18,013 INFO L432 NwaCegarLoop]: 894 mSDtfsCounter, 925 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 2502 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 5250 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 2502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:18,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 5250 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 2502 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 06:59:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-19 06:59:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1289. [2024-11-19 06:59:18,031 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) [2024-11-19 06:59:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1768 transitions. [2024-11-19 06:59:18,034 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1768 transitions. Word has length 14 [2024-11-19 06:59:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:18,035 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1768 transitions. [2024-11-19 06:59:18,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 06:59:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1768 transitions. [2024-11-19 06:59:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 06:59:18,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:18,035 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:18,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 06:59:18,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:59:18,240 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)] === [2024-11-19 06:59:18,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:18,241 INFO L85 PathProgramCache]: Analyzing trace with hash 662636277, now seen corresponding path program 1 times [2024-11-19 06:59:18,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:18,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441228296] [2024-11-19 06:59:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 06:59:20,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:20,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441228296] [2024-11-19 06:59:20,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441228296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:20,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:20,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:59:20,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437391150] [2024-11-19 06:59:20,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:20,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:20,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:20,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:20,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:20,068 INFO L87 Difference]: Start difference. First operand 1289 states and 1768 transitions. Second operand has 3 states, 2 states have (on average 7.0) 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) [2024-11-19 06:59:20,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:20,474 INFO L93 Difference]: Finished difference Result 1497 states and 1861 transitions. [2024-11-19 06:59:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:20,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) 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 [2024-11-19 06:59:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:20,480 INFO L225 Difference]: With dead ends: 1497 [2024-11-19 06:59:20,480 INFO L226 Difference]: Without dead ends: 1497 [2024-11-19 06:59:20,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:20,481 INFO L432 NwaCegarLoop]: 762 mSDtfsCounter, 695 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:20,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1351 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 06:59:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2024-11-19 06:59:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1287. [2024-11-19 06:59:20,504 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) [2024-11-19 06:59:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1759 transitions. [2024-11-19 06:59:20,508 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1759 transitions. Word has length 25 [2024-11-19 06:59:20,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:20,508 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1759 transitions. [2024-11-19 06:59:20,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) 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) [2024-11-19 06:59:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1759 transitions. [2024-11-19 06:59:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 06:59:20,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:20,509 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:20,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:59:20,509 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)] === [2024-11-19 06:59:20,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:20,510 INFO L85 PathProgramCache]: Analyzing trace with hash 662636278, now seen corresponding path program 1 times [2024-11-19 06:59:20,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:20,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237663361] [2024-11-19 06:59:20,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:22,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:22,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237663361] [2024-11-19 06:59:22,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237663361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:59:22,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676406084] [2024-11-19 06:59:22,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:22,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:59:22,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:59:22,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:59:22,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 06:59:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:25,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 5540 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 06:59:25,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:59:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:25,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:59:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:59:25,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676406084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:59:25,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:59:25,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-19 06:59:25,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968668932] [2024-11-19 06:59:25,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:59:25,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 06:59:25,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 06:59:25,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-19 06:59:25,146 INFO L87 Difference]: Start difference. First operand 1287 states and 1759 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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) [2024-11-19 06:59:25,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:25,240 INFO L93 Difference]: Finished difference Result 1305 states and 1777 transitions. [2024-11-19 06:59:25,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 06:59:25,240 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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 [2024-11-19 06:59:25,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:25,244 INFO L225 Difference]: With dead ends: 1305 [2024-11-19 06:59:25,245 INFO L226 Difference]: Without dead ends: 1305 [2024-11-19 06:59:25,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-19 06:59:25,245 INFO L432 NwaCegarLoop]: 827 mSDtfsCounter, 10 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:25,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4937 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:59:25,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2024-11-19 06:59:25,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1305. [2024-11-19 06:59:25,264 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) [2024-11-19 06:59:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1777 transitions. [2024-11-19 06:59:25,267 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1777 transitions. Word has length 25 [2024-11-19 06:59:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:25,268 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1777 transitions. [2024-11-19 06:59:25,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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) [2024-11-19 06:59:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1777 transitions. [2024-11-19 06:59:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 06:59:25,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:25,268 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:59:25,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 06:59:25,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-19 06:59:25,473 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)] === [2024-11-19 06:59:25,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:25,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2031822710, now seen corresponding path program 2 times [2024-11-19 06:59:25,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:25,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092467932] [2024-11-19 06:59:25,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 06:59:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:27,084 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 06:59:27,084 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 06:59:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-19 06:59:27,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:27,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092467932] [2024-11-19 06:59:27,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092467932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:27,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:27,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:59:27,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60019459] [2024-11-19 06:59:27,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:27,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:59:27,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:27,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:59:27,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:59:27,590 INFO L87 Difference]: Start difference. First operand 1305 states and 1777 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) 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) [2024-11-19 06:59:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:28,214 INFO L93 Difference]: Finished difference Result 1361 states and 1789 transitions. [2024-11-19 06:59:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:59:28,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) 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 [2024-11-19 06:59:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:28,219 INFO L225 Difference]: With dead ends: 1361 [2024-11-19 06:59:28,219 INFO L226 Difference]: Without dead ends: 1361 [2024-11-19 06:59:28,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:59:28,220 INFO L432 NwaCegarLoop]: 882 mSDtfsCounter, 256 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:28,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1604 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 06:59:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-19 06:59:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1303. [2024-11-19 06:59:28,238 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) [2024-11-19 06:59:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1775 transitions. [2024-11-19 06:59:28,241 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1775 transitions. Word has length 43 [2024-11-19 06:59:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:28,242 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1775 transitions. [2024-11-19 06:59:28,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) 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) [2024-11-19 06:59:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1775 transitions. [2024-11-19 06:59:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 06:59:28,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:28,243 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] [2024-11-19 06:59:28,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 06:59:28,244 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)] === [2024-11-19 06:59:28,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash -255387847, now seen corresponding path program 1 times [2024-11-19 06:59:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:28,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418001075] [2024-11-19 06:59:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:28,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-19 06:59:30,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:30,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418001075] [2024-11-19 06:59:30,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418001075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:30,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:30,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:59:30,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706409291] [2024-11-19 06:59:30,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:30,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:30,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:30,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:30,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:30,228 INFO L87 Difference]: Start difference. First operand 1303 states and 1775 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:59:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:30,249 INFO L93 Difference]: Finished difference Result 1302 states and 1772 transitions. [2024-11-19 06:59:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 1 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 [2024-11-19 06:59:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:30,254 INFO L225 Difference]: With dead ends: 1302 [2024-11-19 06:59:30,254 INFO L226 Difference]: Without dead ends: 1302 [2024-11-19 06:59:30,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:30,257 INFO L432 NwaCegarLoop]: 829 mSDtfsCounter, 818 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:30,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 829 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 06:59:30,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-11-19 06:59:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1302. [2024-11-19 06:59:30,278 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) [2024-11-19 06:59:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1772 transitions. [2024-11-19 06:59:30,281 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1772 transitions. Word has length 67 [2024-11-19 06:59:30,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:30,281 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1772 transitions. [2024-11-19 06:59:30,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:59:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1772 transitions. [2024-11-19 06:59:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 06:59:30,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:30,285 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] [2024-11-19 06:59:30,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 06:59:30,286 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)] === [2024-11-19 06:59:30,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:30,286 INFO L85 PathProgramCache]: Analyzing trace with hash -624077580, now seen corresponding path program 1 times [2024-11-19 06:59:30,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:30,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586224759] [2024-11-19 06:59:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:30,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-19 06:59:32,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:32,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586224759] [2024-11-19 06:59:32,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586224759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:32,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:32,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:59:32,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707978971] [2024-11-19 06:59:32,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:32,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:32,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:32,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:32,317 INFO L87 Difference]: Start difference. First operand 1302 states and 1772 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 06:59:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:32,657 INFO L93 Difference]: Finished difference Result 1301 states and 1771 transitions. [2024-11-19 06:59:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:32,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 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 [2024-11-19 06:59:32,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:32,661 INFO L225 Difference]: With dead ends: 1301 [2024-11-19 06:59:32,661 INFO L226 Difference]: Without dead ends: 1301 [2024-11-19 06:59:32,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:32,662 INFO L432 NwaCegarLoop]: 828 mSDtfsCounter, 1 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:32,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1448 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 06:59:32,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-19 06:59:32,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1301. [2024-11-19 06:59:32,677 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) [2024-11-19 06:59:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1771 transitions. [2024-11-19 06:59:32,679 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1771 transitions. Word has length 69 [2024-11-19 06:59:32,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:32,679 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1771 transitions. [2024-11-19 06:59:32,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 06:59:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1771 transitions. [2024-11-19 06:59:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 06:59:32,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:32,681 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] [2024-11-19 06:59:32,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 06:59:32,681 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)] === [2024-11-19 06:59:32,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:32,681 INFO L85 PathProgramCache]: Analyzing trace with hash -624077579, now seen corresponding path program 1 times [2024-11-19 06:59:32,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034998108] [2024-11-19 06:59:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:32,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-19 06:59:34,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:34,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034998108] [2024-11-19 06:59:34,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034998108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:34,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:34,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:59:34,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640225150] [2024-11-19 06:59:34,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:34,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:59:34,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:34,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:59:34,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:59:34,933 INFO L87 Difference]: Start difference. First operand 1301 states and 1771 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:59:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:35,328 INFO L93 Difference]: Finished difference Result 1300 states and 1770 transitions. [2024-11-19 06:59:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:59:35,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 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 [2024-11-19 06:59:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:35,332 INFO L225 Difference]: With dead ends: 1300 [2024-11-19 06:59:35,332 INFO L226 Difference]: Without dead ends: 1300 [2024-11-19 06:59:35,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:59:35,333 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 813 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:35,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 1451 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 06:59:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2024-11-19 06:59:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1300. [2024-11-19 06:59:35,348 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) [2024-11-19 06:59:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1770 transitions. [2024-11-19 06:59:35,350 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1770 transitions. Word has length 69 [2024-11-19 06:59:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:35,350 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1770 transitions. [2024-11-19 06:59:35,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 06:59:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1770 transitions. [2024-11-19 06:59:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 06:59:35,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:35,351 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] [2024-11-19 06:59:35,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 06:59:35,351 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)] === [2024-11-19 06:59:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1556221740, now seen corresponding path program 1 times [2024-11-19 06:59:35,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:35,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623382231] [2024-11-19 06:59:35,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-19 06:59:37,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:37,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623382231] [2024-11-19 06:59:37,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623382231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:37,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:37,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:59:37,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050385511] [2024-11-19 06:59:37,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:37,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:37,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:37,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:37,154 INFO L87 Difference]: Start difference. First operand 1300 states and 1770 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 06:59:37,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:37,520 INFO L93 Difference]: Finished difference Result 1341 states and 1779 transitions. [2024-11-19 06:59:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:37,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 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 [2024-11-19 06:59:37,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:37,525 INFO L225 Difference]: With dead ends: 1341 [2024-11-19 06:59:37,525 INFO L226 Difference]: Without dead ends: 1328 [2024-11-19 06:59:37,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:37,526 INFO L432 NwaCegarLoop]: 813 mSDtfsCounter, 95 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:37,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1405 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 06:59:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2024-11-19 06:59:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1295. [2024-11-19 06:59:37,552 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) [2024-11-19 06:59:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1762 transitions. [2024-11-19 06:59:37,554 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1762 transitions. Word has length 74 [2024-11-19 06:59:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:37,555 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1762 transitions. [2024-11-19 06:59:37,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 06:59:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1762 transitions. [2024-11-19 06:59:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 06:59:37,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:37,556 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] [2024-11-19 06:59:37,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 06:59:37,556 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)] === [2024-11-19 06:59:37,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484107, now seen corresponding path program 1 times [2024-11-19 06:59:37,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:37,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294598853] [2024-11-19 06:59:37,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-19 06:59:40,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294598853] [2024-11-19 06:59:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294598853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:40,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:40,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 06:59:40,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123506610] [2024-11-19 06:59:40,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:40,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 06:59:40,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:40,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 06:59:40,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:59:40,093 INFO L87 Difference]: Start difference. First operand 1295 states and 1762 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 06:59:41,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:41,312 INFO L93 Difference]: Finished difference Result 1857 states and 2440 transitions. [2024-11-19 06:59:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 06:59:41,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 78 [2024-11-19 06:59:41,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:41,317 INFO L225 Difference]: With dead ends: 1857 [2024-11-19 06:59:41,317 INFO L226 Difference]: Without dead ends: 1857 [2024-11-19 06:59:41,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-19 06:59:41,318 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 806 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 3226 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:41,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 3226 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 06:59:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-19 06:59:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1634. [2024-11-19 06:59:41,338 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) [2024-11-19 06:59:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2338 transitions. [2024-11-19 06:59:41,342 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2338 transitions. Word has length 78 [2024-11-19 06:59:41,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:41,342 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2338 transitions. [2024-11-19 06:59:41,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 06:59:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2338 transitions. [2024-11-19 06:59:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 06:59:41,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:41,343 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] [2024-11-19 06:59:41,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 06:59:41,344 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)] === [2024-11-19 06:59:41,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:41,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484106, now seen corresponding path program 1 times [2024-11-19 06:59:41,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793224977] [2024-11-19 06:59:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-19 06:59:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793224977] [2024-11-19 06:59:44,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793224977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:44,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:44,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 06:59:44,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202147506] [2024-11-19 06:59:44,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:44,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 06:59:44,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:44,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 06:59:44,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:59:44,210 INFO L87 Difference]: Start difference. First operand 1634 states and 2338 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 06:59:45,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:45,839 INFO L93 Difference]: Finished difference Result 2065 states and 2674 transitions. [2024-11-19 06:59:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 06:59:45,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 78 [2024-11-19 06:59:45,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:45,845 INFO L225 Difference]: With dead ends: 2065 [2024-11-19 06:59:45,845 INFO L226 Difference]: Without dead ends: 2065 [2024-11-19 06:59:45,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 06:59:45,846 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 1631 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:45,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 2416 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 06:59:45,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2024-11-19 06:59:45,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 1819. [2024-11-19 06:59:45,867 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) [2024-11-19 06:59:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2646 transitions. [2024-11-19 06:59:45,870 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2646 transitions. Word has length 78 [2024-11-19 06:59:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:45,871 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2646 transitions. [2024-11-19 06:59:45,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 06:59:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2646 transitions. [2024-11-19 06:59:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 06:59:45,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:45,872 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] [2024-11-19 06:59:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 06:59:45,872 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)] === [2024-11-19 06:59:45,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499240, now seen corresponding path program 1 times [2024-11-19 06:59:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:45,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56836822] [2024-11-19 06:59:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-19 06:59:47,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:47,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56836822] [2024-11-19 06:59:47,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56836822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:47,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:47,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:59:47,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255947487] [2024-11-19 06:59:47,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:47,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:59:47,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:47,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:59:47,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:47,835 INFO L87 Difference]: Start difference. First operand 1819 states and 2646 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 06:59:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:48,306 INFO L93 Difference]: Finished difference Result 2011 states and 2731 transitions. [2024-11-19 06:59:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:59:48,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 1 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 [2024-11-19 06:59:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:48,312 INFO L225 Difference]: With dead ends: 2011 [2024-11-19 06:59:48,312 INFO L226 Difference]: Without dead ends: 2011 [2024-11-19 06:59:48,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:59:48,314 INFO L432 NwaCegarLoop]: 1232 mSDtfsCounter, 650 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:48,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1824 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 06:59:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2024-11-19 06:59:48,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1819. [2024-11-19 06:59:48,340 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) [2024-11-19 06:59:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2643 transitions. [2024-11-19 06:59:48,344 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2643 transitions. Word has length 81 [2024-11-19 06:59:48,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:48,346 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2643 transitions. [2024-11-19 06:59:48,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 06:59:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2643 transitions. [2024-11-19 06:59:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 06:59:48,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:48,348 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] [2024-11-19 06:59:48,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 06:59:48,348 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)] === [2024-11-19 06:59:48,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499241, now seen corresponding path program 1 times [2024-11-19 06:59:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:48,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411089106] [2024-11-19 06:59:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-19 06:59:50,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:50,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411089106] [2024-11-19 06:59:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411089106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:50,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:59:50,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595699899] [2024-11-19 06:59:50,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:50,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:59:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:50,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:59:50,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:59:50,137 INFO L87 Difference]: Start difference. First operand 1819 states and 2643 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 06:59:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:50,222 INFO L93 Difference]: Finished difference Result 1420 states and 2001 transitions. [2024-11-19 06:59:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 06:59:50,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 1 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 [2024-11-19 06:59:50,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:50,234 INFO L225 Difference]: With dead ends: 1420 [2024-11-19 06:59:50,234 INFO L226 Difference]: Without dead ends: 1415 [2024-11-19 06:59:50,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:59:50,234 INFO L432 NwaCegarLoop]: 829 mSDtfsCounter, 0 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3303 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:50,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3303 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 06:59:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-19 06:59:50,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1415. [2024-11-19 06:59:50,275 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) [2024-11-19 06:59:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1995 transitions. [2024-11-19 06:59:50,288 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1995 transitions. Word has length 81 [2024-11-19 06:59:50,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:50,288 INFO L471 AbstractCegarLoop]: Abstraction has 1415 states and 1995 transitions. [2024-11-19 06:59:50,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 06:59:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1995 transitions. [2024-11-19 06:59:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 06:59:50,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:50,289 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] [2024-11-19 06:59:50,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 06:59:50,289 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)] === [2024-11-19 06:59:50,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2000403802, now seen corresponding path program 1 times [2024-11-19 06:59:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099185884] [2024-11-19 06:59:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-19 06:59:53,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:53,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099185884] [2024-11-19 06:59:53,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099185884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:53,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:53,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:59:53,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797674306] [2024-11-19 06:59:53,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:53,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:59:53,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:53,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:59:53,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:59:53,065 INFO L87 Difference]: Start difference. First operand 1415 states and 1995 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 06:59:54,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:54,231 INFO L93 Difference]: Finished difference Result 1591 states and 2008 transitions. [2024-11-19 06:59:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:59:54,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 84 [2024-11-19 06:59:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:54,235 INFO L225 Difference]: With dead ends: 1591 [2024-11-19 06:59:54,236 INFO L226 Difference]: Without dead ends: 1591 [2024-11-19 06:59:54,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 06:59:54,236 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 798 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:54,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 2784 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 06:59:54,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2024-11-19 06:59:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1414. [2024-11-19 06:59:54,259 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) [2024-11-19 06:59:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1994 transitions. [2024-11-19 06:59:54,263 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1994 transitions. Word has length 84 [2024-11-19 06:59:54,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:54,264 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1994 transitions. [2024-11-19 06:59:54,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 06:59:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1994 transitions. [2024-11-19 06:59:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 06:59:54,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:54,265 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] [2024-11-19 06:59:54,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 06:59:54,265 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)] === [2024-11-19 06:59:54,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:54,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2000403803, now seen corresponding path program 1 times [2024-11-19 06:59:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:54,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103621997] [2024-11-19 06:59:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:59:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:59:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-19 06:59:57,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:59:57,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103621997] [2024-11-19 06:59:57,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103621997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:59:57,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:59:57,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 06:59:57,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825541220] [2024-11-19 06:59:57,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:59:57,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 06:59:57,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:59:57,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 06:59:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 06:59:57,478 INFO L87 Difference]: Start difference. First operand 1414 states and 1994 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 06:59:59,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 06:59:59,106 INFO L93 Difference]: Finished difference Result 1658 states and 2020 transitions. [2024-11-19 06:59:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 06:59:59,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 84 [2024-11-19 06:59:59,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 06:59:59,111 INFO L225 Difference]: With dead ends: 1658 [2024-11-19 06:59:59,111 INFO L226 Difference]: Without dead ends: 1658 [2024-11-19 06:59:59,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 06:59:59,112 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 1619 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 06:59:59,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 2403 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 06:59:59,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-11-19 06:59:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1412. [2024-11-19 06:59:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 942 states have (on average 1.7070063694267517) internal successors, (1608), 1150 states have internal predecessors, (1608), 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) [2024-11-19 06:59:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1992 transitions. [2024-11-19 06:59:59,130 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1992 transitions. Word has length 84 [2024-11-19 06:59:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 06:59:59,130 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 1992 transitions. [2024-11-19 06:59:59,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 06:59:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1992 transitions. [2024-11-19 06:59:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 06:59:59,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 06:59:59,131 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-19 06:59:59,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 06:59:59,131 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-19 06:59:59,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:59:59,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1179483396, now seen corresponding path program 1 times [2024-11-19 06:59:59,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:59:59,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700772142] [2024-11-19 06:59:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:59:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 07:00:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 07:00:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-19 07:00:01,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 07:00:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700772142] [2024-11-19 07:00:01,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700772142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 07:00:01,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 07:00:01,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 07:00:01,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744152445] [2024-11-19 07:00:01,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 07:00:01,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 07:00:01,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 07:00:01,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 07:00:01,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 07:00:01,490 INFO L87 Difference]: Start difference. First operand 1412 states and 1992 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 07:00:02,305 INFO L93 Difference]: Finished difference Result 1587 states and 2004 transitions. [2024-11-19 07:00:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 07:00:02,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-19 07:00:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 07:00:02,310 INFO L225 Difference]: With dead ends: 1587 [2024-11-19 07:00:02,310 INFO L226 Difference]: Without dead ends: 1587 [2024-11-19 07:00:02,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 07:00:02,310 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 790 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 07:00:02,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 2236 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 07:00:02,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2024-11-19 07:00:02,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1410. [2024-11-19 07:00:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 942 states have (on average 1.7048832271762209) internal successors, (1606), 1148 states have internal predecessors, (1606), 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) [2024-11-19 07:00:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1990 transitions. [2024-11-19 07:00:02,329 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1990 transitions. Word has length 90 [2024-11-19 07:00:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 07:00:02,330 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 1990 transitions. [2024-11-19 07:00:02,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1990 transitions. [2024-11-19 07:00:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 07:00:02,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 07:00:02,331 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-19 07:00:02,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 07:00:02,331 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-19 07:00:02,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 07:00:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1179483397, now seen corresponding path program 1 times [2024-11-19 07:00:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 07:00:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062177091] [2024-11-19 07:00:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 07:00:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 07:00:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 07:00:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-19 07:00:04,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 07:00:04,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062177091] [2024-11-19 07:00:04,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062177091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 07:00:04,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 07:00:04,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 07:00:04,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180301071] [2024-11-19 07:00:04,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 07:00:04,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 07:00:04,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 07:00:04,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 07:00:04,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 07:00:04,896 INFO L87 Difference]: Start difference. First operand 1410 states and 1990 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 07:00:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 07:00:05,347 INFO L93 Difference]: Finished difference Result 1408 states and 1987 transitions. [2024-11-19 07:00:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 07:00:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 90 [2024-11-19 07:00:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 07:00:05,353 INFO L225 Difference]: With dead ends: 1408 [2024-11-19 07:00:05,356 INFO L226 Difference]: Without dead ends: 1408 [2024-11-19 07:00:05,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 07:00:05,361 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 55 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 07:00:05,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 1978 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 07:00:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2024-11-19 07:00:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1408. [2024-11-19 07:00:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 942 states have (on average 1.7016985138004246) internal successors, (1603), 1146 states have internal predecessors, (1603), 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) [2024-11-19 07:00:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1987 transitions. [2024-11-19 07:00:05,404 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1987 transitions. Word has length 90 [2024-11-19 07:00:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 07:00:05,404 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 1987 transitions. [2024-11-19 07:00:05,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 07:00:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1987 transitions. [2024-11-19 07:00:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-19 07:00:05,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 07:00:05,406 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-19 07:00:05,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 07:00:05,406 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-19 07:00:05,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 07:00:05,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2090719882, now seen corresponding path program 1 times [2024-11-19 07:00:05,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 07:00:05,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131825949] [2024-11-19 07:00:05,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 07:00:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 07:00:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 07:00:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-19 07:00:08,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 07:00:08,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131825949] [2024-11-19 07:00:08,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131825949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 07:00:08,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 07:00:08,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 07:00:08,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972842443] [2024-11-19 07:00:08,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 07:00:08,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 07:00:08,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 07:00:08,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 07:00:08,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-19 07:00:08,321 INFO L87 Difference]: Start difference. First operand 1408 states and 1987 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 07:00:09,304 INFO L93 Difference]: Finished difference Result 1583 states and 1999 transitions. [2024-11-19 07:00:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 07:00:09,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2024-11-19 07:00:09,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 07:00:09,307 INFO L225 Difference]: With dead ends: 1583 [2024-11-19 07:00:09,308 INFO L226 Difference]: Without dead ends: 1583 [2024-11-19 07:00:09,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 07:00:09,308 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 1423 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 07:00:09,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 2173 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 07:00:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2024-11-19 07:00:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1406. [2024-11-19 07:00:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 942 states have (on average 1.6995753715498938) internal successors, (1601), 1144 states have internal predecessors, (1601), 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) [2024-11-19 07:00:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1985 transitions. [2024-11-19 07:00:09,326 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1985 transitions. Word has length 91 [2024-11-19 07:00:09,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 07:00:09,326 INFO L471 AbstractCegarLoop]: Abstraction has 1406 states and 1985 transitions. [2024-11-19 07:00:09,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1985 transitions. [2024-11-19 07:00:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-19 07:00:09,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 07:00:09,327 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-19 07:00:09,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 07:00:09,327 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-19 07:00:09,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 07:00:09,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2090719881, now seen corresponding path program 1 times [2024-11-19 07:00:09,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 07:00:09,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277575812] [2024-11-19 07:00:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 07:00:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 07:00:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 07:00:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-19 07:00:12,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 07:00:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277575812] [2024-11-19 07:00:12,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277575812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 07:00:12,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 07:00:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 07:00:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179384328] [2024-11-19 07:00:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 07:00:12,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 07:00:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 07:00:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 07:00:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 07:00:12,002 INFO L87 Difference]: Start difference. First operand 1406 states and 1985 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:13,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 07:00:13,473 INFO L93 Difference]: Finished difference Result 1650 states and 2011 transitions. [2024-11-19 07:00:13,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 07:00:13,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2024-11-19 07:00:13,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 07:00:13,478 INFO L225 Difference]: With dead ends: 1650 [2024-11-19 07:00:13,479 INFO L226 Difference]: Without dead ends: 1650 [2024-11-19 07:00:13,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-19 07:00:13,481 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 1025 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 07:00:13,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 2294 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 07:00:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-11-19 07:00:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1404. [2024-11-19 07:00:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 942 states have (on average 1.697452229299363) internal successors, (1599), 1142 states have internal predecessors, (1599), 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) [2024-11-19 07:00:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1983 transitions. [2024-11-19 07:00:13,579 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1983 transitions. Word has length 91 [2024-11-19 07:00:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 07:00:13,579 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1983 transitions. [2024-11-19 07:00:13,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 07:00:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1983 transitions. [2024-11-19 07:00:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 07:00:13,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 07:00:13,584 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 07:00:13,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 07:00:13,584 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-19 07:00:13,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 07:00:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash 487667134, now seen corresponding path program 1 times [2024-11-19 07:00:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 07:00:13,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905573666] [2024-11-19 07:00:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 07:00:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms