./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_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_outw_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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 08:01:15,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 08:01:15,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 08:01:15,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 08:01:15,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 08:01:15,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 08:01:15,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 08:01:15,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 08:01:15,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 08:01:15,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 08:01:15,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 08:01:15,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 08:01:15,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 08:01:15,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 08:01:15,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 08:01:15,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 08:01:15,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 08:01:15,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 08:01:15,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 08:01:15,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 08:01:15,810 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 08:01:15,810 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 08:01:15,811 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 08:01:15,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 08:01:15,814 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 08:01:15,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 08:01:15,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 08:01:15,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 08:01:15,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 08:01:15,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 08:01:15,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 08:01:15,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 08:01:15,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 08:01:15,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 08:01:15,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 08:01:15,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 08:01:15,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 08:01:15,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 08:01:15,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 08:01:15,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 08:01:15,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 08:01:15,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 08:01:15,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2024-11-09 08:01:16,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 08:01:16,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 08:01:16,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 08:01:16,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 08:01:16,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 08:01:16,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-11-09 08:01:17,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 08:01:17,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 08:01:17,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-11-09 08:01:17,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0b573c2/881fbf66baf94e3cb1a8a5fabb890295/FLAG1c0a293e8 [2024-11-09 08:01:18,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0b573c2/881fbf66baf94e3cb1a8a5fabb890295 [2024-11-09 08:01:18,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 08:01:18,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 08:01:18,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 08:01:18,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 08:01:18,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 08:01:18,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:01:18" (1/1) ... [2024-11-09 08:01:18,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cd113f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:18, skipping insertion in model container [2024-11-09 08:01:18,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:01:18" (1/1) ... [2024-11-09 08:01:18,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 08:01:19,188 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 08:01:19,207 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 08:01:19,227 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 08:01:19,282 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 08:01:19,302 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 08:01:19,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 08:01:19,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 08:01:19,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 08:01:19,768 INFO L204 MainTranslator]: Completed translation [2024-11-09 08:01:19,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19 WrapperNode [2024-11-09 08:01:19,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 08:01:19,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 08:01:19,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 08:01:19,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 08:01:19,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:19,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,015 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3384 [2024-11-09 08:01:20,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 08:01:20,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 08:01:20,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 08:01:20,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 08:01:20,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,212 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [16, 5, 3, 35, 1040, 480, 59, 35, 11, 5, 12, 15, 2, 120, 37, 67, 2, 5, 2, 20, 4, 2, 3, 18, 0, 34, 5]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [5, 3, 3, 15, 1040, 480, 59, 32, 2, 1, 6, 10, 0, 120, 25, 67, 0, 4, 2, 4, 4, 0, 0, 18, 0, 34, 1]. The 37 writes are split as follows [8, 0, 0, 6, 0, 0, 0, 0, 5, 1, 6, 2, 2, 0, 0, 0, 1, 0, 0, 4, 0, 0, 0, 0, 0, 0, 2]. [2024-11-09 08:01:20,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 08:01:20,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 08:01:20,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 08:01:20,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 08:01:20,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (1/1) ... [2024-11-09 08:01:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 08:01:20,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:20,423 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 08:01:20,428 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 08:01:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-09 08:01:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-09 08:01:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 08:01:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-09 08:01:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 08:01:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 08:01:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 08:01:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 08:01:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 08:01:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 08:01:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-09 08:01:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-09 08:01:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-09 08:01:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 08:01:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 08:01:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 08:01:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 08:01:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 08:01:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 08:01:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-09 08:01:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-09 08:01:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-09 08:01:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-09 08:01:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-09 08:01:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 08:01:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 08:01:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 08:01:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 08:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-09 08:01:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-09 08:01:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-09 08:01:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-09 08:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-09 08:01:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-09 08:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 08:01:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 08:01:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-09 08:01:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-09 08:01:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 08:01:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 08:01:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-09 08:01:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-09 08:01:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 08:01:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 08:01:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 08:01:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 08:01:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-09 08:01:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-09 08:01:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-09 08:01:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-09 08:01:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 08:01:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 08:01:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 08:01:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 08:01:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 08:01:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 08:01:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 08:01:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 08:01:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 08:01:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 08:01:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 08:01:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 08:01:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-09 08:01:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-09 08:01:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-09 08:01:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-09 08:01:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-09 08:01:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-09 08:01:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-09 08:01:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-09 08:01:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-09 08:01:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-09 08:01:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-09 08:01:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-09 08:01:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 08:01:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 08:01:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-09 08:01:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-09 08:01:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 08:01:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 08:01:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-09 08:01:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-09 08:01:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-09 08:01:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-09 08:01:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 08:01:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 08:01:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 08:01:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 08:01:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 08:01:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 08:01:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 08:01:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 08:01:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 08:01:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-09 08:01:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-09 08:01:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-09 08:01:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-09 08:01:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-09 08:01:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 08:01:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 08:01:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 08:01:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 08:01:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 08:01:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 08:01:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 08:01:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 08:01:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-09 08:01:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-09 08:01:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-09 08:01:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-09 08:01:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-09 08:01:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-09 08:01:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-09 08:01:20,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 08:01:20,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 08:01:26,066 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-09 08:01:26,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 08:01:26,122 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 08:01:26,126 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 08:01:26,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:01:26 BoogieIcfgContainer [2024-11-09 08:01:26,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 08:01:26,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 08:01:26,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 08:01:26,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 08:01:26,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:01:18" (1/3) ... [2024-11-09 08:01:26,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907b729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:01:26, skipping insertion in model container [2024-11-09 08:01:26,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:01:19" (2/3) ... [2024-11-09 08:01:26,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907b729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:01:26, skipping insertion in model container [2024-11-09 08:01:26,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:01:26" (3/3) ... [2024-11-09 08:01:26,136 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2024-11-09 08:01:26,152 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 08:01:26,152 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-09 08:01:26,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 08:01:26,232 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;@5961b809, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 08:01:26,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-09 08:01:26,242 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 08:01:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 08:01:26,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:26,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 08:01:26,252 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 08:01:26,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:26,258 INFO L85 PathProgramCache]: Analyzing trace with hash 460813917, now seen corresponding path program 1 times [2024-11-09 08:01:26,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:26,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872583434] [2024-11-09 08:01:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:26,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:30,240 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 08:01:30,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:30,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872583434] [2024-11-09 08:01:30,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872583434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:30,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:30,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974873020] [2024-11-09 08:01:30,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:30,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:30,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:30,284 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 08:01:31,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:31,833 INFO L93 Difference]: Finished difference Result 1270 states and 1534 transitions. [2024-11-09 08:01:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:31,840 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 08:01:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:31,868 INFO L225 Difference]: With dead ends: 1270 [2024-11-09 08:01:31,869 INFO L226 Difference]: Without dead ends: 1266 [2024-11-09 08:01:31,871 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 08:01:31,874 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 728 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:31,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 2568 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 08:01:31,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-09 08:01:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1053. [2024-11-09 08:01:31,977 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 08:01:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1438 transitions. [2024-11-09 08:01:31,990 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1438 transitions. Word has length 5 [2024-11-09 08:01:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:31,990 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1438 transitions. [2024-11-09 08:01:31,991 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 08:01:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1438 transitions. [2024-11-09 08:01:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 08:01:31,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:31,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 08:01:31,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 08:01:31,992 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 08:01:31,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 460813918, now seen corresponding path program 1 times [2024-11-09 08:01:31,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:31,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841023051] [2024-11-09 08:01:31,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:31,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:35,896 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 08:01:35,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:35,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841023051] [2024-11-09 08:01:35,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841023051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:35,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:35,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:35,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909104310] [2024-11-09 08:01:35,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:35,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:35,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:35,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:35,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:35,901 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 08:01:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:37,087 INFO L93 Difference]: Finished difference Result 1193 states and 1541 transitions. [2024-11-09 08:01:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:37,088 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 08:01:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:37,097 INFO L225 Difference]: With dead ends: 1193 [2024-11-09 08:01:37,097 INFO L226 Difference]: Without dead ends: 1193 [2024-11-09 08:01:37,098 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 08:01:37,099 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 281 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:37,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2829 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 08:01:37,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-09 08:01:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1134. [2024-11-09 08:01:37,132 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 08:01:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1537 transitions. [2024-11-09 08:01:37,139 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1537 transitions. Word has length 5 [2024-11-09 08:01:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:37,139 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1537 transitions. [2024-11-09 08:01:37,139 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 08:01:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1537 transitions. [2024-11-09 08:01:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 08:01:37,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:37,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:37,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 08:01:37,141 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 08:01:37,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:37,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255734, now seen corresponding path program 1 times [2024-11-09 08:01:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:37,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956244504] [2024-11-09 08:01:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:39,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:39,808 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 08:01:39,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:39,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956244504] [2024-11-09 08:01:39,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956244504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:39,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:39,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:39,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300405273] [2024-11-09 08:01:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:39,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:39,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:39,813 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 08:01:41,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:41,339 INFO L93 Difference]: Finished difference Result 1360 states and 1649 transitions. [2024-11-09 08:01:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:01:41,340 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 08:01:41,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:41,349 INFO L225 Difference]: With dead ends: 1360 [2024-11-09 08:01:41,350 INFO L226 Difference]: Without dead ends: 1360 [2024-11-09 08:01:41,352 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 08:01:41,353 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 868 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:41,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1529 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 08:01:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-09 08:01:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1133. [2024-11-09 08:01:41,399 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 08:01:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1532 transitions. [2024-11-09 08:01:41,407 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1532 transitions. Word has length 11 [2024-11-09 08:01:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:41,407 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1532 transitions. [2024-11-09 08:01:41,408 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 08:01:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1532 transitions. [2024-11-09 08:01:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 08:01:41,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:41,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:41,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 08:01:41,410 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 08:01:41,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1849255733, now seen corresponding path program 1 times [2024-11-09 08:01:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:41,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587320915] [2024-11-09 08:01:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:44,666 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 08:01:44,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:44,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587320915] [2024-11-09 08:01:44,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587320915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:44,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:44,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:01:44,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020910979] [2024-11-09 08:01:44,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:44,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:01:44,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:44,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:01:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:01:44,670 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 08:01:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:46,118 INFO L93 Difference]: Finished difference Result 1217 states and 1572 transitions. [2024-11-09 08:01:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 08:01:46,119 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 08:01:46,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:46,128 INFO L225 Difference]: With dead ends: 1217 [2024-11-09 08:01:46,129 INFO L226 Difference]: Without dead ends: 1217 [2024-11-09 08:01:46,129 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 08:01:46,130 INFO L432 NwaCegarLoop]: 750 mSDtfsCounter, 407 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:46,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1880 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 08:01:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-09 08:01:46,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1136. [2024-11-09 08:01:46,176 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 08:01:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1535 transitions. [2024-11-09 08:01:46,183 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1535 transitions. Word has length 11 [2024-11-09 08:01:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:46,183 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1535 transitions. [2024-11-09 08:01:46,183 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 08:01:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1535 transitions. [2024-11-09 08:01:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 08:01:46,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:46,184 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:46,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 08:01:46,185 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 08:01:46,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash 368369967, now seen corresponding path program 1 times [2024-11-09 08:01:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:46,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850386638] [2024-11-09 08:01:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:49,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:49,306 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 08:01:49,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:49,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850386638] [2024-11-09 08:01:49,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850386638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:01:49,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900788845] [2024-11-09 08:01:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:49,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:01:49,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:01:49,311 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 08:01:49,312 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 08:01:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:52,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 5480 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 08:01:52,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:01:52,560 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 08:01:52,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:01:52,679 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 08:01:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900788845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 08:01:52,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 08:01:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-09 08:01:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135316055] [2024-11-09 08:01:52,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 08:01:52,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 08:01:52,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 08:01:52,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 08:01:52,683 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 08:01:56,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:01:56,265 INFO L93 Difference]: Finished difference Result 1437 states and 1816 transitions. [2024-11-09 08:01:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 08:01:56,265 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 08:01:56,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:01:56,273 INFO L225 Difference]: With dead ends: 1437 [2024-11-09 08:01:56,275 INFO L226 Difference]: Without dead ends: 1437 [2024-11-09 08:01:56,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-09 08:01:56,277 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 882 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:01:56,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 4490 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 08:01:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-09 08:01:56,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1289. [2024-11-09 08:01:56,310 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 08:01:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1768 transitions. [2024-11-09 08:01:56,314 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1768 transitions. Word has length 14 [2024-11-09 08:01:56,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:01:56,315 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1768 transitions. [2024-11-09 08:01:56,315 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 08:01:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1768 transitions. [2024-11-09 08:01:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 08:01:56,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:01:56,316 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:01:56,347 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 08:01:56,517 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 08:01:56,518 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 08:01:56,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:01:56,518 INFO L85 PathProgramCache]: Analyzing trace with hash 662636277, now seen corresponding path program 1 times [2024-11-09 08:01:56,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:01:56,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613319170] [2024-11-09 08:01:56,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:01:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:01:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:01:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:01:58,858 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 08:01:58,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:01:58,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613319170] [2024-11-09 08:01:58,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613319170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:01:58,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:01:58,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:01:58,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861960926] [2024-11-09 08:01:58,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:01:58,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:01:58,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:01:58,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:01:58,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:01:58,861 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 08:02:00,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:00,186 INFO L93 Difference]: Finished difference Result 1521 states and 1891 transitions. [2024-11-09 08:02:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:02:00,187 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 08:02:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:00,192 INFO L225 Difference]: With dead ends: 1521 [2024-11-09 08:02:00,192 INFO L226 Difference]: Without dead ends: 1521 [2024-11-09 08:02:00,193 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 08:02:00,193 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 08:02:00,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1540 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 08:02:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-09 08:02:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1287. [2024-11-09 08:02:00,221 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 08:02:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1759 transitions. [2024-11-09 08:02:00,226 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1759 transitions. Word has length 25 [2024-11-09 08:02:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:00,227 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1759 transitions. [2024-11-09 08:02:00,227 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 08:02:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1759 transitions. [2024-11-09 08:02:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 08:02:00,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:00,228 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:02:00,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 08:02:00,228 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 08:02:00,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash 662636278, now seen corresponding path program 1 times [2024-11-09 08:02:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:00,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294454757] [2024-11-09 08:02:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:02,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 08:02:02,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:02,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294454757] [2024-11-09 08:02:02,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294454757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:02:02,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128061106] [2024-11-09 08:02:02,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:02,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:02:02,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:02:02,657 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 08:02:02,659 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 08:02:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:05,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 5540 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 08:02:05,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 08:02:05,501 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 08:02:05,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 08:02:05,568 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 08:02:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128061106] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 08:02:05,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 08:02:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-09 08:02:05,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723480206] [2024-11-09 08:02:05,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 08:02:05,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 08:02:05,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:05,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 08:02:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-09 08:02:05,570 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 08:02:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:06,216 INFO L93 Difference]: Finished difference Result 1329 states and 1807 transitions. [2024-11-09 08:02:06,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 08:02:06,216 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 08:02:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:06,221 INFO L225 Difference]: With dead ends: 1329 [2024-11-09 08:02:06,221 INFO L226 Difference]: Without dead ends: 1329 [2024-11-09 08:02:06,221 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 08:02:06,222 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 08:02:06,222 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 08:02:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-09 08:02:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1305. [2024-11-09 08:02:06,249 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 08:02:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1777 transitions. [2024-11-09 08:02:06,254 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1777 transitions. Word has length 25 [2024-11-09 08:02:06,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:06,254 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1777 transitions. [2024-11-09 08:02:06,254 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 08:02:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1777 transitions. [2024-11-09 08:02:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 08:02:06,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:06,257 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 08:02:06,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 08:02:06,457 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 08:02:06,458 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 08:02:06,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:06,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2031822710, now seen corresponding path program 2 times [2024-11-09 08:02:06,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:06,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775620392] [2024-11-09 08:02:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:06,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:09,299 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 08:02:09,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:09,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775620392] [2024-11-09 08:02:09,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775620392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:09,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:09,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:02:09,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792977090] [2024-11-09 08:02:09,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:09,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:02:09,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:09,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:02:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:02:09,305 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 08:02:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:10,355 INFO L93 Difference]: Finished difference Result 1385 states and 1819 transitions. [2024-11-09 08:02:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 08:02:10,355 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 08:02:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:10,361 INFO L225 Difference]: With dead ends: 1385 [2024-11-09 08:02:10,361 INFO L226 Difference]: Without dead ends: 1385 [2024-11-09 08:02:10,362 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 08:02:10,362 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 377 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 08:02:10,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1860 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 08:02:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-09 08:02:10,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1303. [2024-11-09 08:02:10,389 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 08:02:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1775 transitions. [2024-11-09 08:02:10,394 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1775 transitions. Word has length 43 [2024-11-09 08:02:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:10,395 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1775 transitions. [2024-11-09 08:02:10,395 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 08:02:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1775 transitions. [2024-11-09 08:02:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 08:02:10,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:10,397 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 08:02:10,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 08:02:10,397 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 08:02:10,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -255387847, now seen corresponding path program 1 times [2024-11-09 08:02:10,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:10,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137969243] [2024-11-09 08:02:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:13,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:13,205 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 08:02:13,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137969243] [2024-11-09 08:02:13,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137969243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:13,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:13,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:02:13,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576715807] [2024-11-09 08:02:13,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:13,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:02:13,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:13,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:02:13,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:02:13,209 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 08:02:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:13,701 INFO L93 Difference]: Finished difference Result 1326 states and 1802 transitions. [2024-11-09 08:02:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:02:13,702 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 08:02:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:13,707 INFO L225 Difference]: With dead ends: 1326 [2024-11-09 08:02:13,707 INFO L226 Difference]: Without dead ends: 1326 [2024-11-09 08:02:13,707 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 08:02:13,708 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 08:02:13,708 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 08:02:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-09 08:02:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-11-09 08:02:13,736 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 08:02:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1772 transitions. [2024-11-09 08:02:13,741 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1772 transitions. Word has length 67 [2024-11-09 08:02:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:13,742 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1772 transitions. [2024-11-09 08:02:13,742 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 08:02:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1772 transitions. [2024-11-09 08:02:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 08:02:13,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:13,745 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 08:02:13,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 08:02:13,745 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 08:02:13,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash -624077580, now seen corresponding path program 1 times [2024-11-09 08:02:13,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:13,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119964455] [2024-11-09 08:02:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:16,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:16,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:16,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:16,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:16,307 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 08:02:16,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:16,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119964455] [2024-11-09 08:02:16,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119964455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:16,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:16,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:02:16,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118198325] [2024-11-09 08:02:16,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:16,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:02:16,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:16,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:02:16,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:02:16,311 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 08:02:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:17,055 INFO L93 Difference]: Finished difference Result 1325 states and 1801 transitions. [2024-11-09 08:02:17,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:02:17,056 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 08:02:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:17,065 INFO L225 Difference]: With dead ends: 1325 [2024-11-09 08:02:17,065 INFO L226 Difference]: Without dead ends: 1325 [2024-11-09 08:02:17,066 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 08:02:17,066 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 08:02:17,068 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 08:02:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-09 08:02:17,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1301. [2024-11-09 08:02:17,092 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 08:02:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1771 transitions. [2024-11-09 08:02:17,100 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1771 transitions. Word has length 69 [2024-11-09 08:02:17,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:17,100 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1771 transitions. [2024-11-09 08:02:17,100 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 08:02:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1771 transitions. [2024-11-09 08:02:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 08:02:17,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:17,101 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 08:02:17,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 08:02:17,102 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 08:02:17,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:17,102 INFO L85 PathProgramCache]: Analyzing trace with hash -624077579, now seen corresponding path program 1 times [2024-11-09 08:02:17,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:17,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694703442] [2024-11-09 08:02:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:20,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:20,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:20,292 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 08:02:20,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:20,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694703442] [2024-11-09 08:02:20,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694703442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:20,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:20,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 08:02:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437216109] [2024-11-09 08:02:20,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:20,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 08:02:20,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 08:02:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 08:02:20,294 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 08:02:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:21,371 INFO L93 Difference]: Finished difference Result 1324 states and 1800 transitions. [2024-11-09 08:02:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 08:02:21,372 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 08:02:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:21,377 INFO L225 Difference]: With dead ends: 1324 [2024-11-09 08:02:21,377 INFO L226 Difference]: Without dead ends: 1324 [2024-11-09 08:02:21,378 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 08:02:21,378 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 878 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 08:02:21,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1759 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 08:02:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-09 08:02:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1300. [2024-11-09 08:02:21,401 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 08:02:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1770 transitions. [2024-11-09 08:02:21,404 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1770 transitions. Word has length 69 [2024-11-09 08:02:21,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:21,405 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1770 transitions. [2024-11-09 08:02:21,405 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 08:02:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1770 transitions. [2024-11-09 08:02:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 08:02:21,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:21,406 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 08:02:21,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 08:02:21,406 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 08:02:21,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:21,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1556221740, now seen corresponding path program 1 times [2024-11-09 08:02:21,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:21,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619292886] [2024-11-09 08:02:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:21,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 08:02:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:23,737 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 08:02:23,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619292886] [2024-11-09 08:02:23,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619292886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 08:02:23,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 08:02:23,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 08:02:23,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057835041] [2024-11-09 08:02:23,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 08:02:23,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 08:02:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 08:02:23,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 08:02:23,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 08:02:23,739 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 08:02:24,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 08:02:24,476 INFO L93 Difference]: Finished difference Result 1365 states and 1809 transitions. [2024-11-09 08:02:24,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 08:02:24,476 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 08:02:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 08:02:24,482 INFO L225 Difference]: With dead ends: 1365 [2024-11-09 08:02:24,482 INFO L226 Difference]: Without dead ends: 1352 [2024-11-09 08:02:24,482 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 08:02:24,483 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 08:02:24,483 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 08:02:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-09 08:02:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1295. [2024-11-09 08:02:24,509 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 08:02:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1762 transitions. [2024-11-09 08:02:24,513 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1762 transitions. Word has length 74 [2024-11-09 08:02:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 08:02:24,513 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1762 transitions. [2024-11-09 08:02:24,513 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 08:02:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1762 transitions. [2024-11-09 08:02:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 08:02:24,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 08:02:24,515 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 08:02:24,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 08:02:24,516 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 08:02:24,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 08:02:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1378484107, now seen corresponding path program 1 times [2024-11-09 08:02:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 08:02:24,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211497571] [2024-11-09 08:02:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:24,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 08:02:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 08:02:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 08:02:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 08:02:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 08:02:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 08:02:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 08:02:27,724 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 08:02:27,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 08:02:27,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211497571] [2024-11-09 08:02:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211497571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 08:02:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186667876] [2024-11-09 08:02:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 08:02:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 08:02:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 08:02:27,727 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 08:02:27,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process