./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d 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_outb_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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 08:00:48,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 08:00:48,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 08:00:48,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 08:00:48,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 08:00:48,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 08:00:48,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 08:00:48,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 08:00:48,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 08:00:48,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 08:00:48,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 08:00:48,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 08:00:48,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 08:00:48,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 08:00:48,641 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 08:00:48,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 08:00:48,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 08:00:48,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 08:00:48,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 08:00:48,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 08:00:48,643 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 08:00:48,643 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 08:00:48,643 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 08:00:48,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 08:00:48,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 08:00:48,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 08:00:48,644 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 08:00:48,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 08:00:48,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 08:00:48,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 08:00:48,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 08:00:48,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 08:00:48,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 08:00:48,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 08:00:48,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 08:00:48,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 08:00:48,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 08:00:48,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 08:00:48,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 08:00:48,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 08:00:48,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 08:00:48,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 08:00:48,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2024-11-09 08:00:48,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 08:00:48,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 08:00:48,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 08:00:48,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 08:00:48,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 08:00:48,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2024-11-09 08:00:50,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 08:00:50,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 08:00:50,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2024-11-09 08:00:50,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63610a129/eeb47ab1f4ce4f85b49a43d6510238e9/FLAG5981e5111 [2024-11-09 08:00:50,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63610a129/eeb47ab1f4ce4f85b49a43d6510238e9 [2024-11-09 08:00:50,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 08:00:50,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 08:00:50,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 08:00:50,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 08:00:50,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 08:00:50,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:00:50" (1/1) ... [2024-11-09 08:00:50,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfb81a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:50, skipping insertion in model container [2024-11-09 08:00:50,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:00:50" (1/1) ... [2024-11-09 08:00:51,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 08:00:51,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 08:00:51,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 08:00:51,796 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 08:00:51,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 08:00:51,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 08:00:51,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 08:00:51,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 08:00:52,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 08:00:52,223 INFO L204 MainTranslator]: Completed translation [2024-11-09 08:00:52,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52 WrapperNode [2024-11-09 08:00:52,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 08:00:52,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 08:00:52,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 08:00:52,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 08:00:52,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,428 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-11-09 08:00:52,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 08:00:52,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 08:00:52,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 08:00:52,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 08:00:52,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,544 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 2, 35, 1040, 480, 59, 2, 35, 11, 5, 15, 120, 67, 2, 12, 2, 20, 0, 37, 4, 3, 18, 5, 16, 34, 5]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 0, 15, 1040, 480, 59, 0, 32, 2, 1, 10, 120, 67, 0, 6, 2, 4, 0, 25, 4, 0, 18, 4, 5, 34, 1]. The 37 writes are split as follows [0, 0, 0, 6, 0, 0, 0, 2, 0, 5, 1, 2, 0, 0, 1, 6, 0, 4, 0, 0, 0, 0, 0, 0, 8, 0, 2]. [2024-11-09 08:00:52,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 08:00:52,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 08:00:52,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 08:00:52,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 08:00:52,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (1/1) ... [2024-11-09 08:00:52,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 08:00:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:00:52,767 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) [2024-11-09 08:00:52,769 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 [2024-11-09 08:00:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-09 08:00:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-09 08:00:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 08:00:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-09 08:00:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 08:00:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 08:00:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 08:00:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 08:00:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-09 08:00:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 08:00:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 08:00:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 08:00:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 08:00:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 08:00:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-09 08:00:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-09 08:00:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-09 08:00:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-09 08:00:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 08:00:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 08:00:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 08:00:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-09 08:00:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-09 08:00:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-09 08:00:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-09 08:00:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-09 08:00:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-09 08:00:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 08:00:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 08:00:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-09 08:00:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-09 08:00:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 08:00:52,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 08:00:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-09 08:00:52,822 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 08:00:52,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 08:00:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-09 08:00:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-09 08:00:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-09 08:00:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 08:00:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 08:00:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-09 08:00:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-09 08:00:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-09 08:00:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-09 08:00:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-09 08:00:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-09 08:00:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-09 08:00:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-09 08:00:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-09 08:00:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 08:00:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 08:00:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-09 08:00:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-09 08:00:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 08:00:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 08:00:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-09 08:00:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-09 08:00:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-09 08:00:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-09 08:00:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-09 08:00:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-09 08:00:52,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-09 08:00:52,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-09 08:00:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-09 08:00:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-09 08:00:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-09 08:00:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-09 08:00:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 08:00:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 08:00:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 08:00:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 08:00:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 08:00:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 08:00:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 08:00:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-09 08:00:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-09 08:00:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-09 08:00:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-09 08:00:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-09 08:00:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-09 08:00:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-09 08:00:53,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 08:00:53,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 08:00:57,069 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-09 08:00:57,069 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 08:00:57,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 08:00:57,103 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 08:00:57,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:00:57 BoogieIcfgContainer [2024-11-09 08:00:57,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 08:00:57,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 08:00:57,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 08:00:57,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 08:00:57,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:00:50" (1/3) ... [2024-11-09 08:00:57,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4ac7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:00:57, skipping insertion in model container [2024-11-09 08:00:57,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:00:52" (2/3) ... [2024-11-09 08:00:57,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4ac7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:00:57, skipping insertion in model container [2024-11-09 08:00:57,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:00:57" (3/3) ... [2024-11-09 08:00:57,110 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2024-11-09 08:00:57,123 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 08:00:57,123 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-09 08:00:57,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 08:00:57,186 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;@6a72b35a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 08:00:57,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-09 08:00:57,194 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) [2024-11-09 08:00:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 08:00:57,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:00:57,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 08:00:57,200 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)] === [2024-11-09 08:00:57,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:00:57,204 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-11-09 08:00:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:00:57,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258058248] [2024-11-09 08:00:57,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:00:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:00:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:00,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:00,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258058248] [2024-11-09 08:01:00,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258058248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:00,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:00,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:00,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91828015] [2024-11-09 08:01:00,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:00,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:00,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:00,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:00,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:00,287 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) [2024-11-09 08:01:01,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:01,732 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-11-09 08:01:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:01,737 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 [2024-11-09 08:01:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:01,762 INFO L225 Difference]: With dead ends: 1270 [2024-11-09 08:01:01,763 INFO L226 Difference]: Without dead ends: 1266 [2024-11-09 08:01:01,764 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 [2024-11-09 08:01:01,767 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 728 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:01,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2568 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 08:01:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-09 08:01:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-11-09 08:01:01,853 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) [2024-11-09 08:01:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-11-09 08:01:01,859 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-11-09 08:01:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:01,859 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-11-09 08:01:01,860 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) [2024-11-09 08:01:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-11-09 08:01:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 08:01:01,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:01,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 08:01:01,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 08:01:01,861 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)] === [2024-11-09 08:01:01,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:01,861 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-11-09 08:01:01,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:01,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343591445] [2024-11-09 08:01:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343591445] [2024-11-09 08:01:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343591445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:04,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:04,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:04,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250084576] [2024-11-09 08:01:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:04,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:04,758 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) [2024-11-09 08:01:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:05,596 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-11-09 08:01:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:05,597 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 [2024-11-09 08:01:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:05,602 INFO L225 Difference]: With dead ends: 1193 [2024-11-09 08:01:05,602 INFO L226 Difference]: Without dead ends: 1193 [2024-11-09 08:01:05,603 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 [2024-11-09 08:01:05,603 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:05,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 08:01:05,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-09 08:01:05,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-11-09 08:01:05,641 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) [2024-11-09 08:01:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-11-09 08:01:05,647 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-11-09 08:01:05,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:05,648 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-11-09 08:01:05,648 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) [2024-11-09 08:01:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-11-09 08:01:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 08:01:05,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:05,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:05,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 08:01:05,650 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)] === [2024-11-09 08:01:05,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:05,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-11-09 08:01:05,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:05,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085778638] [2024-11-09 08:01:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:07,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:07,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085778638] [2024-11-09 08:01:07,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085778638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:07,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:07,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:07,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047613385] [2024-11-09 08:01:07,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:07,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:07,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:07,644 INFO L87 Difference]: Start difference. First operand 1134 states and 1537 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:08,865 INFO L93 Difference]: Finished difference Result 1360 states and 1649 transitions. [2024-11-09 08:01:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:08,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 08:01:08,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:08,873 INFO L225 Difference]: With dead ends: 1360 [2024-11-09 08:01:08,873 INFO L226 Difference]: Without dead ends: 1360 [2024-11-09 08:01:08,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:08,876 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 868 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:08,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1529 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 08:01:08,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-09 08:01:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1133. [2024-11-09 08:01:08,909 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) [2024-11-09 08:01:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1532 transitions. [2024-11-09 08:01:08,915 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1532 transitions. Word has length 11 [2024-11-09 08:01:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:08,915 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1532 transitions. [2024-11-09 08:01:08,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1532 transitions. [2024-11-09 08:01:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 08:01:08,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:08,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:08,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 08:01:08,917 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)] === [2024-11-09 08:01:08,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:08,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255733, now seen corresponding path program 1 times [2024-11-09 08:01:08,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:08,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872252720] [2024-11-09 08:01:08,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:11,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:11,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:11,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872252720] [2024-11-09 08:01:11,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872252720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:11,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:11,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:01:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359527847] [2024-11-09 08:01:11,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:11,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:11,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:11,587 INFO L87 Difference]: Start difference. First operand 1133 states and 1532 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:12,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:12,622 INFO L93 Difference]: Finished difference Result 1217 states and 1572 transitions. [2024-11-09 08:01:12,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 08:01:12,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 08:01:12,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:12,628 INFO L225 Difference]: With dead ends: 1217 [2024-11-09 08:01:12,629 INFO L226 Difference]: Without dead ends: 1217 [2024-11-09 08:01:12,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 08:01:12,630 INFO L432 NwaCegarLoop]: 750 mSDtfsCounter, 407 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:12,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1880 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 08:01:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-09 08:01:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1136. [2024-11-09 08:01:12,657 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) [2024-11-09 08:01:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1535 transitions. [2024-11-09 08:01:12,662 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1535 transitions. Word has length 11 [2024-11-09 08:01:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:12,662 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1535 transitions. [2024-11-09 08:01:12,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1535 transitions. [2024-11-09 08:01:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 08:01:12,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:12,663 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:12,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 08:01:12,663 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2024-11-09 08:01:12,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:12,663 INFO L85 PathProgramCache]: Analyzing trace with hash 368369967, now seen corresponding path program 1 times [2024-11-09 08:01:12,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:12,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466297550] [2024-11-09 08:01:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:12,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:15,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:15,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466297550] [2024-11-09 08:01:15,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466297550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:15,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473383257] [2024-11-09 08:01:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:15,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:15,023 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) [2024-11-09 08:01:15,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 08:01:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:18,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 5480 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 08:01:18,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:01:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:18,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:01:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:18,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473383257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 08:01:18,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 08:01:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-09 08:01:18,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533973812] [2024-11-09 08:01:18,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 08:01:18,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 08:01:18,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 08:01:18,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 08:01:18,220 INFO L87 Difference]: Start difference. First operand 1136 states and 1535 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 08:01:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:20,819 INFO L93 Difference]: Finished difference Result 1437 states and 1816 transitions. [2024-11-09 08:01:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 08:01:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2024-11-09 08:01:20,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:20,826 INFO L225 Difference]: With dead ends: 1437 [2024-11-09 08:01:20,828 INFO L226 Difference]: Without dead ends: 1437 [2024-11-09 08:01:20,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-09 08:01:20,829 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 882 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:20,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 4490 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 08:01:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-09 08:01:20,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1289. [2024-11-09 08:01:20,850 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) [2024-11-09 08:01:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1768 transitions. [2024-11-09 08:01:20,854 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1768 transitions. Word has length 14 [2024-11-09 08:01:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:20,854 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1768 transitions. [2024-11-09 08:01:20,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 08:01:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1768 transitions. [2024-11-09 08:01:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 08:01:20,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:20,855 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:20,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 08:01:21,056 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 [2024-11-09 08:01:21,057 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)] === [2024-11-09 08:01:21,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:21,058 INFO L85 PathProgramCache]: Analyzing trace with hash 662636277, now seen corresponding path program 1 times [2024-11-09 08:01:21,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:21,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496561781] [2024-11-09 08:01:21,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:23,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 08:01:23,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:23,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496561781] [2024-11-09 08:01:23,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496561781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:23,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:23,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:23,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085215765] [2024-11-09 08:01:23,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:23,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:23,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:23,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:23,035 INFO L87 Difference]: Start difference. First operand 1289 states and 1768 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:24,335 INFO L93 Difference]: Finished difference Result 1521 states and 1891 transitions. [2024-11-09 08:01:24,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:24,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 08:01:24,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:24,342 INFO L225 Difference]: With dead ends: 1521 [2024-11-09 08:01:24,343 INFO L226 Difference]: Without dead ends: 1521 [2024-11-09 08:01:24,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:24,346 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 853 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:24,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1540 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 08:01:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-09 08:01:24,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1287. [2024-11-09 08:01:24,376 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) [2024-11-09 08:01:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1759 transitions. [2024-11-09 08:01:24,380 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1759 transitions. Word has length 25 [2024-11-09 08:01:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:24,380 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1759 transitions. [2024-11-09 08:01:24,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1759 transitions. [2024-11-09 08:01:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 08:01:24,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:24,381 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:24,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 08:01:24,381 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)] === [2024-11-09 08:01:24,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:24,382 INFO L85 PathProgramCache]: Analyzing trace with hash 662636278, now seen corresponding path program 1 times [2024-11-09 08:01:24,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:24,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170774575] [2024-11-09 08:01:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:24,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:26,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:26,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170774575] [2024-11-09 08:01:26,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170774575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:26,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340707044] [2024-11-09 08:01:26,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:26,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:26,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:26,629 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) [2024-11-09 08:01:26,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 08:01:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:29,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 5540 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 08:01:29,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:01:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:29,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:01:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:01:29,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340707044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 08:01:29,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 08:01:29,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-09 08:01:29,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973407228] [2024-11-09 08:01:29,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 08:01:29,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 08:01:29,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:29,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 08:01:29,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-09 08:01:29,870 INFO L87 Difference]: Start difference. First operand 1287 states and 1759 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:30,496 INFO L93 Difference]: Finished difference Result 1329 states and 1807 transitions. [2024-11-09 08:01:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 08:01:30,496 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 08:01:30,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:30,502 INFO L225 Difference]: With dead ends: 1329 [2024-11-09 08:01:30,502 INFO L226 Difference]: Without dead ends: 1329 [2024-11-09 08:01:30,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-09 08:01:30,503 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 151 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:30,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 3294 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 08:01:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-09 08:01:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1305. [2024-11-09 08:01:30,529 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) [2024-11-09 08:01:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1777 transitions. [2024-11-09 08:01:30,534 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1777 transitions. Word has length 25 [2024-11-09 08:01:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:30,534 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1777 transitions. [2024-11-09 08:01:30,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1777 transitions. [2024-11-09 08:01:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 08:01:30,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:30,536 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:30,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 08:01:30,737 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 [2024-11-09 08:01:30,737 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)] === [2024-11-09 08:01:30,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:30,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2031822710, now seen corresponding path program 2 times [2024-11-09 08:01:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:30,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442900164] [2024-11-09 08:01:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-09 08:01:33,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442900164] [2024-11-09 08:01:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442900164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:33,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:33,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:01:33,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711053055] [2024-11-09 08:01:33,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:33,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:33,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:33,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:33,673 INFO L87 Difference]: Start difference. First operand 1305 states and 1777 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:34,816 INFO L93 Difference]: Finished difference Result 1385 states and 1819 transitions. [2024-11-09 08:01:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 08:01:34,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-09 08:01:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:34,822 INFO L225 Difference]: With dead ends: 1385 [2024-11-09 08:01:34,822 INFO L226 Difference]: Without dead ends: 1385 [2024-11-09 08:01:34,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 08:01:34,823 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 377 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:34,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1860 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 08:01:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-09 08:01:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1303. [2024-11-09 08:01:34,846 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) [2024-11-09 08:01:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1775 transitions. [2024-11-09 08:01:34,851 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1775 transitions. Word has length 43 [2024-11-09 08:01:34,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:34,852 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1775 transitions. [2024-11-09 08:01:34,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 08:01:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1775 transitions. [2024-11-09 08:01:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 08:01:34,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:34,856 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] [2024-11-09 08:01:34,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 08:01:34,856 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)] === [2024-11-09 08:01:34,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:34,857 INFO L85 PathProgramCache]: Analyzing trace with hash -255387847, now seen corresponding path program 1 times [2024-11-09 08:01:34,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:34,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595749991] [2024-11-09 08:01:34,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:36,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 08:01:36,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595749991] [2024-11-09 08:01:36,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595749991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:36,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:36,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:01:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931804131] [2024-11-09 08:01:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:36,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:36,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:36,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:36,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:36,981 INFO L87 Difference]: Start difference. First operand 1303 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 08:01:37,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:37,505 INFO L93 Difference]: Finished difference Result 1326 states and 1802 transitions. [2024-11-09 08:01:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:01:37,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2024-11-09 08:01:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:37,510 INFO L225 Difference]: With dead ends: 1326 [2024-11-09 08:01:37,510 INFO L226 Difference]: Without dead ends: 1326 [2024-11-09 08:01:37,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:37,511 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 883 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:37,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 1274 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 08:01:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-09 08:01:37,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-11-09 08:01:37,532 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) [2024-11-09 08:01:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1772 transitions. [2024-11-09 08:01:37,536 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1772 transitions. Word has length 67 [2024-11-09 08:01:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:37,536 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1772 transitions. [2024-11-09 08:01:37,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 08:01:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1772 transitions. [2024-11-09 08:01:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 08:01:37,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:37,538 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] [2024-11-09 08:01:37,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 08:01:37,538 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)] === [2024-11-09 08:01:37,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:37,539 INFO L85 PathProgramCache]: Analyzing trace with hash -624077580, now seen corresponding path program 1 times [2024-11-09 08:01:37,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:37,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62867916] [2024-11-09 08:01:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:37,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:40,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 08:01:40,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:40,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62867916] [2024-11-09 08:01:40,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62867916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:40,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:40,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:40,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890242635] [2024-11-09 08:01:40,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:40,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:40,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:40,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:40,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:40,075 INFO L87 Difference]: Start difference. First operand 1302 states and 1772 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 08:01:40,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:40,754 INFO L93 Difference]: Finished difference Result 1325 states and 1801 transitions. [2024-11-09 08:01:40,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:01:40,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 69 [2024-11-09 08:01:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:40,759 INFO L225 Difference]: With dead ends: 1325 [2024-11-09 08:01:40,759 INFO L226 Difference]: Without dead ends: 1325 [2024-11-09 08:01:40,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:40,759 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 139 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:40,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1769 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 08:01:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-09 08:01:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1301. [2024-11-09 08:01:40,777 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) [2024-11-09 08:01:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1771 transitions. [2024-11-09 08:01:40,783 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1771 transitions. Word has length 69 [2024-11-09 08:01:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:40,783 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1771 transitions. [2024-11-09 08:01:40,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 08:01:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1771 transitions. [2024-11-09 08:01:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 08:01:40,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:40,785 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] [2024-11-09 08:01:40,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 08:01:40,786 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)] === [2024-11-09 08:01:40,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash -624077579, now seen corresponding path program 1 times [2024-11-09 08:01:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211770932] [2024-11-09 08:01:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:40,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:43,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:43,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 08:01:43,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:43,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211770932] [2024-11-09 08:01:43,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211770932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:43,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:43,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:01:43,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539462420] [2024-11-09 08:01:43,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:43,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:43,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:43,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:43,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:43,296 INFO L87 Difference]: Start difference. First operand 1301 states and 1771 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 08:01:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:44,221 INFO L93 Difference]: Finished difference Result 1324 states and 1800 transitions. [2024-11-09 08:01:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:44,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 69 [2024-11-09 08:01:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:44,225 INFO L225 Difference]: With dead ends: 1324 [2024-11-09 08:01:44,225 INFO L226 Difference]: Without dead ends: 1324 [2024-11-09 08:01:44,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 08:01:44,226 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 878 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:44,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1759 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 08:01:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-09 08:01:44,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1300. [2024-11-09 08:01:44,241 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) [2024-11-09 08:01:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1770 transitions. [2024-11-09 08:01:44,243 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1770 transitions. Word has length 69 [2024-11-09 08:01:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:44,244 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1770 transitions. [2024-11-09 08:01:44,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 08:01:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1770 transitions. [2024-11-09 08:01:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 08:01:44,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:44,246 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] [2024-11-09 08:01:44,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 08:01:44,248 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)] === [2024-11-09 08:01:44,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1556221740, now seen corresponding path program 1 times [2024-11-09 08:01:44,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:44,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251457142] [2024-11-09 08:01:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:44,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 08:01:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-09 08:01:46,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251457142] [2024-11-09 08:01:46,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251457142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:46,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:46,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:46,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044010979] [2024-11-09 08:01:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:46,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:46,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:46,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:46,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:46,488 INFO L87 Difference]: Start difference. First operand 1300 states and 1770 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 08:01:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:47,193 INFO L93 Difference]: Finished difference Result 1365 states and 1809 transitions. [2024-11-09 08:01:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:01:47,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-11-09 08:01:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:47,198 INFO L225 Difference]: With dead ends: 1365 [2024-11-09 08:01:47,198 INFO L226 Difference]: Without dead ends: 1352 [2024-11-09 08:01:47,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:47,198 INFO L432 NwaCegarLoop]: 705 mSDtfsCounter, 233 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:47,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1706 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 08:01:47,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-09 08:01:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1295. [2024-11-09 08:01:47,213 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) [2024-11-09 08:01:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1762 transitions. [2024-11-09 08:01:47,215 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1762 transitions. Word has length 74 [2024-11-09 08:01:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:47,215 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1762 transitions. [2024-11-09 08:01:47,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 08:01:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1762 transitions. [2024-11-09 08:01:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 08:01:47,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:47,216 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] [2024-11-09 08:01:47,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 08:01:47,216 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)] === [2024-11-09 08:01:47,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484107, now seen corresponding path program 1 times [2024-11-09 08:01:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:47,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094749892] [2024-11-09 08:01:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 08:01:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-09 08:01:50,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:50,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094749892] [2024-11-09 08:01:50,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094749892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:50,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642080997] [2024-11-09 08:01:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:50,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:50,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 08:01:50,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 08:01:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:53,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 08:01:53,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:01:53,689 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 08:01:53,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 08:01:53,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-09 08:01:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-09 08:01:53,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:01:53,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642080997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:53,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 08:01:53,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2024-11-09 08:01:53,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469497644] [2024-11-09 08:01:53,797 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 08:01:53,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 08:01:53,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:53,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 08:01:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-09 08:01:53,799 INFO L87 Difference]: Start difference. First operand 1295 states and 1762 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 08:01:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:56,575 INFO L93 Difference]: Finished difference Result 1890 states and 2482 transitions. [2024-11-09 08:01:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 08:01:56,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 78 [2024-11-09 08:01:56,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:56,581 INFO L225 Difference]: With dead ends: 1890 [2024-11-09 08:01:56,581 INFO L226 Difference]: Without dead ends: 1890 [2024-11-09 08:01:56,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-09 08:01:56,582 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 942 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 4025 SdHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:56,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 4025 Invalid, 3697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 08:01:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2024-11-09 08:01:56,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1634. [2024-11-09 08:01:56,607 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) [2024-11-09 08:01:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2338 transitions. [2024-11-09 08:01:56,611 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2338 transitions. Word has length 78 [2024-11-09 08:01:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:56,611 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2338 transitions. [2024-11-09 08:01:56,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 08:01:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2338 transitions. [2024-11-09 08:01:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 08:01:56,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:56,612 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] [2024-11-09 08:01:56,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 08:01:56,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:56,817 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)] === [2024-11-09 08:01:56,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:56,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484106, now seen corresponding path program 1 times [2024-11-09 08:01:56,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:56,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717504480] [2024-11-09 08:01:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:56,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:01:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:01:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:01:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 08:01:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-09 08:01:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717504480] [2024-11-09 08:01:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717504480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411732605] [2024-11-09 08:01:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:59,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:59,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:59,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 08:01:59,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 08:02:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:02,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 5831 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 08:02:02,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:02:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 08:02:02,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-09 08:02:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-09 08:02:02,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:02:03,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411732605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:02:03,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 08:02:03,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11 [2024-11-09 08:02:03,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733037282] [2024-11-09 08:02:03,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 08:02:03,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 08:02:03,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:03,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 08:02:03,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-09 08:02:03,039 INFO L87 Difference]: Start difference. First operand 1634 states and 2338 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 08:02:06,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:06,560 INFO L93 Difference]: Finished difference Result 2102 states and 2721 transitions. [2024-11-09 08:02:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 08:02:06,561 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 78 [2024-11-09 08:02:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:06,566 INFO L225 Difference]: With dead ends: 2102 [2024-11-09 08:02:06,567 INFO L226 Difference]: Without dead ends: 2102 [2024-11-09 08:02:06,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-09 08:02:06,567 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 2438 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 4656 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 5180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 4656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:02:06,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 3641 Invalid, 5180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 4656 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 08:02:06,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2024-11-09 08:02:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1819. [2024-11-09 08:02:06,588 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) [2024-11-09 08:02:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2646 transitions. [2024-11-09 08:02:06,591 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2646 transitions. Word has length 78 [2024-11-09 08:02:06,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:06,592 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2646 transitions. [2024-11-09 08:02:06,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 9 states have internal predecessors, (78), 6 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 08:02:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2646 transitions. [2024-11-09 08:02:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 08:02:06,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:06,592 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] [2024-11-09 08:02:06,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 08:02:06,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:02:06,793 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)] === [2024-11-09 08:02:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499240, now seen corresponding path program 1 times [2024-11-09 08:02:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484265856] [2024-11-09 08:02:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 08:02:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 08:02:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-09 08:02:09,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:09,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484265856] [2024-11-09 08:02:09,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484265856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:09,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:09,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:02:09,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813818547] [2024-11-09 08:02:09,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:09,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:02:09,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:09,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:02:09,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:02:09,371 INFO L87 Difference]: Start difference. First operand 1819 states and 2646 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 08:02:10,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:10,703 INFO L93 Difference]: Finished difference Result 2048 states and 2778 transitions. [2024-11-09 08:02:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:02:10,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-11-09 08:02:10,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:10,712 INFO L225 Difference]: With dead ends: 2048 [2024-11-09 08:02:10,712 INFO L226 Difference]: Without dead ends: 2048 [2024-11-09 08:02:10,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:02:10,715 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 752 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:02:10,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 2348 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 08:02:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-09 08:02:10,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1819. [2024-11-09 08:02:10,742 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) [2024-11-09 08:02:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2643 transitions. [2024-11-09 08:02:10,750 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2643 transitions. Word has length 81 [2024-11-09 08:02:10,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:10,752 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2643 transitions. [2024-11-09 08:02:10,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 08:02:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2643 transitions. [2024-11-09 08:02:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 08:02:10,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:10,753 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] [2024-11-09 08:02:10,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 08:02:10,754 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)] === [2024-11-09 08:02:10,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:10,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1597499241, now seen corresponding path program 1 times [2024-11-09 08:02:10,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:10,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275916429] [2024-11-09 08:02:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms