/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 11:48:03,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 11:48:03,469 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 11:48:03,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 11:48:03,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 11:48:03,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 11:48:03,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 11:48:03,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 11:48:03,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 11:48:03,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 11:48:03,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 11:48:03,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 11:48:03,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 11:48:03,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 11:48:03,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 11:48:03,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 11:48:03,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 11:48:03,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 11:48:03,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 11:48:03,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 11:48:03,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 11:48:03,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 11:48:03,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 11:48:03,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 11:48:03,508 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 11:48:03,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 11:48:03,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 11:48:03,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 11:48:03,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 11:48:03,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 11:48:03,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 11:48:03,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:48:03,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 11:48:03,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 11:48:03,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 11:48:03,511 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 11:48:03,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 11:48:03,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 11:48:03,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 11:48:03,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 11:48:03,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 11:48:03,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 11:48:03,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 11:48:03,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 11:48:03,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 11:48:03,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 11:48:03,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 11:48:03,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-06 11:48:05,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 11:48:05,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 11:48:05,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-06 11:48:05,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da09e1686/3f97a7ba6e6c40b5a88d08e5b37c2672/FLAG96b5360f2 [2024-11-06 11:48:05,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da09e1686/3f97a7ba6e6c40b5a88d08e5b37c2672 [2024-11-06 11:48:05,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 11:48:05,651 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 11:48:05,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 11:48:05,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 11:48:05,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 11:48:05,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:48:05" (1/1) ... [2024-11-06 11:48:05,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e48d85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:05, skipping insertion in model container [2024-11-06 11:48:05,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:48:05" (1/1) ... [2024-11-06 11:48:05,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:48:06,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,283 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,319 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,486 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,511 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,545 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,548 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,554 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,597 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-06 11:48:06,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:48:06,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:48:06,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 11:48:06,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-06 11:48:06,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:48:06,929 INFO L204 MainTranslator]: Completed translation [2024-11-06 11:48:06,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06 WrapperNode [2024-11-06 11:48:06,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 11:48:06,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 11:48:06,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 11:48:06,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 11:48:06,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:06,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,081 INFO L138 Inliner]: procedures = 139, calls = 755, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 2027 [2024-11-06 11:48:07,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 11:48:07,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 11:48:07,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 11:48:07,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 11:48:07,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,267 INFO L175 MemorySlicer]: Split 360 memory accesses to 17 slices as follows [7, 2, 51, 121, 8, 1, 42, 2, 16, 49, 2, 6, 1, 24, 1, 19, 8]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 8, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 6]. The 228 writes are split as follows [6, 0, 43, 30, 3, 0, 42, 0, 16, 42, 1, 0, 1, 24, 1, 19, 0]. [2024-11-06 11:48:07,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 11:48:07,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 11:48:07,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 11:48:07,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 11:48:07,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (1/1) ... [2024-11-06 11:48:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:48:07,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:07,442 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) [2024-11-06 11:48:07,445 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 [2024-11-06 11:48:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-06 11:48:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-06 11:48:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 11:48:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 11:48:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 11:48:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 11:48:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 11:48:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 11:48:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-06 11:48:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 11:48:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 11:48:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 11:48:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 11:48:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-06 11:48:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-06 11:48:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-06 11:48:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-06 11:48:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#14 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#15 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#16 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 11:48:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-06 11:48:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-06 11:48:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-06 11:48:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-06 11:48:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-06 11:48:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2024-11-06 11:48:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2024-11-06 11:48:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 11:48:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-06 11:48:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-06 11:48:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-06 11:48:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2024-11-06 11:48:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2024-11-06 11:48:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2024-11-06 11:48:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2024-11-06 11:48:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-06 11:48:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-06 11:48:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 11:48:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 11:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 11:48:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 11:48:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-06 11:48:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-06 11:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-06 11:48:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-06 11:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 11:48:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 11:48:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-06 11:48:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 11:48:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 11:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 11:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-06 11:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-06 11:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-06 11:48:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-06 11:48:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-06 11:48:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2024-11-06 11:48:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 11:48:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2024-11-06 11:48:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 11:48:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 11:48:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 11:48:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-06 11:48:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-06 11:48:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-06 11:48:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-06 11:48:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-06 11:48:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2024-11-06 11:48:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2024-11-06 11:48:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2024-11-06 11:48:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2024-11-06 11:48:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 11:48:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-06 11:48:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 11:48:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-06 11:48:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-06 11:48:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 11:48:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2024-11-06 11:48:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2024-11-06 11:48:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 11:48:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-06 11:48:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-06 11:48:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-11-06 11:48:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-11-06 11:48:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 11:48:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-06 11:48:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 11:48:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-06 11:48:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-06 11:48:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-06 11:48:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-06 11:48:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-06 11:48:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-06 11:48:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-06 11:48:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-06 11:48:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-06 11:48:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-06 11:48:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-06 11:48:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-06 11:48:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-06 11:48:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-06 11:48:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-06 11:48:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 11:48:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 11:48:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-06 11:48:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-06 11:48:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-06 11:48:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-06 11:48:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 11:48:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 11:48:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 11:48:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 11:48:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 11:48:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 11:48:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 11:48:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-06 11:48:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-06 11:48:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2024-11-06 11:48:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 11:48:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 11:48:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-11-06 11:48:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-11-06 11:48:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2024-11-06 11:48:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2024-11-06 11:48:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-11-06 11:48:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-11-06 11:48:08,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 11:48:08,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 11:48:25,547 INFO L? ?]: Removed 605 outVars from TransFormulas that were not future-live. [2024-11-06 11:48:25,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 11:48:25,580 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 11:48:25,580 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 11:48:25,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:48:25 BoogieIcfgContainer [2024-11-06 11:48:25,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 11:48:25,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 11:48:25,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 11:48:25,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 11:48:25,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:48:05" (1/3) ... [2024-11-06 11:48:25,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d4496d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:48:25, skipping insertion in model container [2024-11-06 11:48:25,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:48:06" (2/3) ... [2024-11-06 11:48:25,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d4496d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:48:25, skipping insertion in model container [2024-11-06 11:48:25,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:48:25" (3/3) ... [2024-11-06 11:48:25,588 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-06 11:48:25,604 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 11:48:25,604 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 11:48:25,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 11:48:25,688 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=LoopHeads, 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;@6eafd054, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 11:48:25,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 11:48:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 638 states, 419 states have (on average 1.2649164677804297) internal successors, (530), 432 states have internal predecessors, (530), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-06 11:48:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-06 11:48:25,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:48:25,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:48:25,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:48:25,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:48:25,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1351427356, now seen corresponding path program 1 times [2024-11-06 11:48:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:48:25,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439871712] [2024-11-06 11:48:25,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:48:25,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:25,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:25,738 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) [2024-11-06 11:48:25,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 11:48:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:48:28,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:48:28,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:48:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 11:48:28,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:48:28,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:48:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439871712] [2024-11-06 11:48:28,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439871712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:48:28,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:48:28,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:48:28,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551934954] [2024-11-06 11:48:28,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:48:28,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:48:28,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:48:28,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:48:28,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:28,801 INFO L87 Difference]: Start difference. First operand has 638 states, 419 states have (on average 1.2649164677804297) internal successors, (530), 432 states have internal predecessors, (530), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 11:48:32,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:48:33,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:48:33,132 INFO L93 Difference]: Finished difference Result 1270 states and 1827 transitions. [2024-11-06 11:48:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:48:33,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-06 11:48:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:48:33,156 INFO L225 Difference]: With dead ends: 1270 [2024-11-06 11:48:33,156 INFO L226 Difference]: Without dead ends: 631 [2024-11-06 11:48:33,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:33,168 INFO L432 NwaCegarLoop]: 893 mSDtfsCounter, 882 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-06 11:48:33,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 893 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-06 11:48:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-06 11:48:33,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-06 11:48:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 415 states have (on average 1.2578313253012048) internal successors, (522), 425 states have internal predecessors, (522), 186 states have call successors, (186), 30 states have call predecessors, (186), 29 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-06 11:48:33,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 890 transitions. [2024-11-06 11:48:33,300 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 890 transitions. Word has length 15 [2024-11-06 11:48:33,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:48:33,301 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 890 transitions. [2024-11-06 11:48:33,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 11:48:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 890 transitions. [2024-11-06 11:48:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-06 11:48:33,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:48:33,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:48:33,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 11:48:33,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:33,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:48:33,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:48:33,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1055805361, now seen corresponding path program 1 times [2024-11-06 11:48:33,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:48:33,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512882143] [2024-11-06 11:48:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:48:33,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:33,514 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) [2024-11-06 11:48:33,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 11:48:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:48:35,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:48:35,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:48:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 11:48:36,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:48:36,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:48:36,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512882143] [2024-11-06 11:48:36,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512882143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:48:36,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:48:36,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:48:36,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430117954] [2024-11-06 11:48:36,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:48:36,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:48:36,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:48:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:48:36,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:36,741 INFO L87 Difference]: Start difference. First operand 631 states and 890 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-06 11:48:40,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:48:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:48:41,235 INFO L93 Difference]: Finished difference Result 633 states and 891 transitions. [2024-11-06 11:48:41,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:48:41,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2024-11-06 11:48:41,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:48:41,244 INFO L225 Difference]: With dead ends: 633 [2024-11-06 11:48:41,244 INFO L226 Difference]: Without dead ends: 630 [2024-11-06 11:48:41,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:41,250 INFO L432 NwaCegarLoop]: 887 mSDtfsCounter, 875 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-06 11:48:41,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 887 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-06 11:48:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-06 11:48:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2024-11-06 11:48:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 415 states have (on average 1.2554216867469878) internal successors, (521), 424 states have internal predecessors, (521), 185 states have call successors, (185), 30 states have call predecessors, (185), 29 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-06 11:48:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 888 transitions. [2024-11-06 11:48:41,311 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 888 transitions. Word has length 16 [2024-11-06 11:48:41,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:48:41,313 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 888 transitions. [2024-11-06 11:48:41,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-06 11:48:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 888 transitions. [2024-11-06 11:48:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-06 11:48:41,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:48:41,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:48:41,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 11:48:41,518 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 [2024-11-06 11:48:41,518 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:48:41,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:48:41,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1629396607, now seen corresponding path program 1 times [2024-11-06 11:48:41,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:48:41,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914706884] [2024-11-06 11:48:41,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:48:41,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:41,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:41,522 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) [2024-11-06 11:48:41,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 11:48:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:48:43,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:48:43,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:48:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 11:48:45,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:48:45,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:48:45,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914706884] [2024-11-06 11:48:45,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914706884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:48:45,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:48:45,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:48:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074396545] [2024-11-06 11:48:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:48:45,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:48:45,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:48:45,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:48:45,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:45,213 INFO L87 Difference]: Start difference. First operand 630 states and 888 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-06 11:48:49,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:48:49,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:48:49,810 INFO L93 Difference]: Finished difference Result 1866 states and 2641 transitions. [2024-11-06 11:48:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:48:49,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 17 [2024-11-06 11:48:49,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:48:49,820 INFO L225 Difference]: With dead ends: 1866 [2024-11-06 11:48:49,821 INFO L226 Difference]: Without dead ends: 1233 [2024-11-06 11:48:49,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:49,826 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 869 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:48:49,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1825 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-06 11:48:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-11-06 11:48:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1230. [2024-11-06 11:48:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 810 states have (on average 1.2555555555555555) internal successors, (1017), 829 states have internal predecessors, (1017), 363 states have call successors, (363), 58 states have call predecessors, (363), 56 states have return successors, (360), 356 states have call predecessors, (360), 356 states have call successors, (360) [2024-11-06 11:48:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1740 transitions. [2024-11-06 11:48:49,947 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1740 transitions. Word has length 17 [2024-11-06 11:48:49,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:48:49,947 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1740 transitions. [2024-11-06 11:48:49,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-06 11:48:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1740 transitions. [2024-11-06 11:48:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-06 11:48:49,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:48:49,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:48:49,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 11:48:50,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:50,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:48:50,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:48:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash -639836513, now seen corresponding path program 1 times [2024-11-06 11:48:50,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:48:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900097961] [2024-11-06 11:48:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:48:50,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:50,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:50,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:48:50,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 11:48:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:48:52,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:48:52,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:48:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 11:48:52,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:48:52,823 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:48:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900097961] [2024-11-06 11:48:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900097961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:48:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:48:52,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:48:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867732586] [2024-11-06 11:48:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:48:52,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:48:52,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:48:52,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:48:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:52,826 INFO L87 Difference]: Start difference. First operand 1230 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-06 11:48:53,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:48:53,836 INFO L93 Difference]: Finished difference Result 3502 states and 4945 transitions. [2024-11-06 11:48:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:48:53,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-06 11:48:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:48:53,852 INFO L225 Difference]: With dead ends: 3502 [2024-11-06 11:48:53,852 INFO L226 Difference]: Without dead ends: 2275 [2024-11-06 11:48:53,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:53,861 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 733 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 11:48:53,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1786 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 11:48:53,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2024-11-06 11:48:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2266. [2024-11-06 11:48:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1482 states have (on average 1.246288798920378) internal successors, (1847), 1511 states have internal predecessors, (1847), 677 states have call successors, (677), 108 states have call predecessors, (677), 106 states have return successors, (674), 670 states have call predecessors, (674), 670 states have call successors, (674) [2024-11-06 11:48:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3198 transitions. [2024-11-06 11:48:54,057 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3198 transitions. Word has length 49 [2024-11-06 11:48:54,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:48:54,057 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3198 transitions. [2024-11-06 11:48:54,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-06 11:48:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3198 transitions. [2024-11-06 11:48:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-06 11:48:54,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:48:54,063 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:48:54,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 11:48:54,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:54,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:48:54,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:48:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash 767283632, now seen corresponding path program 1 times [2024-11-06 11:48:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:48:54,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545686097] [2024-11-06 11:48:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:48:54,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:48:54,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:48:54,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:48:54,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 11:48:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:48:56,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:48:56,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:48:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 11:48:57,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:48:57,260 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:48:57,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545686097] [2024-11-06 11:48:57,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545686097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:48:57,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:48:57,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:48:57,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257560192] [2024-11-06 11:48:57,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:48:57,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:48:57,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:48:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:48:57,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:48:57,262 INFO L87 Difference]: Start difference. First operand 2266 states and 3198 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-06 11:49:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:49:02,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:49:02,632 INFO L93 Difference]: Finished difference Result 5594 states and 7899 transitions. [2024-11-06 11:49:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:49:02,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-06 11:49:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:49:02,661 INFO L225 Difference]: With dead ends: 5594 [2024-11-06 11:49:02,661 INFO L226 Difference]: Without dead ends: 3331 [2024-11-06 11:49:02,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:49:02,680 INFO L432 NwaCegarLoop]: 1618 mSDtfsCounter, 744 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-06 11:49:02,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 2489 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-06 11:49:02,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2024-11-06 11:49:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3322. [2024-11-06 11:49:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 2174 states have (on average 1.2451701931922723) internal successors, (2707), 2213 states have internal predecessors, (2707), 991 states have call successors, (991), 158 states have call predecessors, (991), 156 states have return successors, (988), 984 states have call predecessors, (988), 984 states have call successors, (988) [2024-11-06 11:49:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4686 transitions. [2024-11-06 11:49:02,949 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4686 transitions. Word has length 60 [2024-11-06 11:49:02,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:49:02,950 INFO L471 AbstractCegarLoop]: Abstraction has 3322 states and 4686 transitions. [2024-11-06 11:49:02,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-06 11:49:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4686 transitions. [2024-11-06 11:49:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-06 11:49:02,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:49:02,956 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:49:02,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 11:49:03,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:03,157 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:49:03,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:49:03,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1087685281, now seen corresponding path program 1 times [2024-11-06 11:49:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:49:03,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779816472] [2024-11-06 11:49:03,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:49:03,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:03,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:49:03,161 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:49:03,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 11:49:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:49:05,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 11:49:05,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:49:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 11:49:06,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:49:06,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:49:06,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779816472] [2024-11-06 11:49:06,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779816472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:49:06,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:49:06,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:49:06,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864763464] [2024-11-06 11:49:06,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:49:06,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:49:06,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:49:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:49:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:49:06,797 INFO L87 Difference]: Start difference. First operand 3322 states and 4686 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:49:10,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:49:11,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:49:11,539 INFO L93 Difference]: Finished difference Result 6643 states and 9370 transitions. [2024-11-06 11:49:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:49:11,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-06 11:49:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:49:11,565 INFO L225 Difference]: With dead ends: 6643 [2024-11-06 11:49:11,566 INFO L226 Difference]: Without dead ends: 3324 [2024-11-06 11:49:11,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:49:11,585 INFO L432 NwaCegarLoop]: 1653 mSDtfsCounter, 845 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 2523 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:49:11,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 2523 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-06 11:49:11,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2024-11-06 11:49:11,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3322. [2024-11-06 11:49:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 2174 states have (on average 1.2442502299908003) internal successors, (2705), 2213 states have internal predecessors, (2705), 991 states have call successors, (991), 158 states have call predecessors, (991), 156 states have return successors, (984), 984 states have call predecessors, (984), 982 states have call successors, (984) [2024-11-06 11:49:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4680 transitions. [2024-11-06 11:49:11,826 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4680 transitions. Word has length 72 [2024-11-06 11:49:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:49:11,828 INFO L471 AbstractCegarLoop]: Abstraction has 3322 states and 4680 transitions. [2024-11-06 11:49:11,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:49:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4680 transitions. [2024-11-06 11:49:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-06 11:49:11,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:49:11,833 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:49:11,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 11:49:12,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:12,038 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:49:12,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:49:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash -2084757634, now seen corresponding path program 1 times [2024-11-06 11:49:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:49:12,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401404105] [2024-11-06 11:49:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:49:12,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:12,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:49:12,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:49:12,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 11:49:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:49:14,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 11:49:14,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:49:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 11:49:16,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:49:16,177 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:49:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401404105] [2024-11-06 11:49:16,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401404105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:49:16,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:49:16,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 11:49:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192205110] [2024-11-06 11:49:16,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:49:16,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 11:49:16,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:49:16,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 11:49:16,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:49:16,179 INFO L87 Difference]: Start difference. First operand 3322 states and 4680 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:49:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:49:18,184 INFO L93 Difference]: Finished difference Result 3370 states and 4729 transitions. [2024-11-06 11:49:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 11:49:18,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-06 11:49:18,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:49:18,212 INFO L225 Difference]: With dead ends: 3370 [2024-11-06 11:49:18,212 INFO L226 Difference]: Without dead ends: 3304 [2024-11-06 11:49:18,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:49:18,218 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4437 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 11:49:18,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4437 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 11:49:18,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2024-11-06 11:49:18,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 3304. [2024-11-06 11:49:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 2162 states have (on average 1.242368177613321) internal successors, (2686), 2198 states have internal predecessors, (2686), 985 states have call successors, (985), 158 states have call predecessors, (985), 156 states have return successors, (980), 980 states have call predecessors, (980), 978 states have call successors, (980) [2024-11-06 11:49:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4651 transitions. [2024-11-06 11:49:18,505 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4651 transitions. Word has length 72 [2024-11-06 11:49:18,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:49:18,505 INFO L471 AbstractCegarLoop]: Abstraction has 3304 states and 4651 transitions. [2024-11-06 11:49:18,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:49:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4651 transitions. [2024-11-06 11:49:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-06 11:49:18,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:49:18,510 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:49:18,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-06 11:49:18,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:18,711 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:49:18,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:49:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1182866070, now seen corresponding path program 1 times [2024-11-06 11:49:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:49:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954317241] [2024-11-06 11:49:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:49:18,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:18,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:49:18,715 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:49:18,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-06 11:49:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:49:20,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 11:49:20,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:49:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-06 11:49:22,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:49:22,903 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:49:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954317241] [2024-11-06 11:49:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954317241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:49:22,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:49:22,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 11:49:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721138390] [2024-11-06 11:49:22,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:49:22,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 11:49:22,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:49:22,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 11:49:22,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:49:22,905 INFO L87 Difference]: Start difference. First operand 3304 states and 4651 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 11:49:24,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:49:24,458 INFO L93 Difference]: Finished difference Result 3329 states and 4673 transitions. [2024-11-06 11:49:24,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 11:49:24,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 79 [2024-11-06 11:49:24,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:49:24,487 INFO L225 Difference]: With dead ends: 3329 [2024-11-06 11:49:24,487 INFO L226 Difference]: Without dead ends: 3277 [2024-11-06 11:49:24,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:49:24,493 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 0 mSDsluCounter, 3541 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 11:49:24,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4430 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 11:49:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3277 states. [2024-11-06 11:49:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3277 to 3277. [2024-11-06 11:49:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 2145 states have (on average 1.2414918414918414) internal successors, (2663), 2178 states have internal predecessors, (2663), 975 states have call successors, (975), 157 states have call predecessors, (975), 156 states have return successors, (973), 973 states have call predecessors, (973), 971 states have call successors, (973) [2024-11-06 11:49:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4611 transitions. [2024-11-06 11:49:24,798 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4611 transitions. Word has length 79 [2024-11-06 11:49:24,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:49:24,798 INFO L471 AbstractCegarLoop]: Abstraction has 3277 states and 4611 transitions. [2024-11-06 11:49:24,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 11:49:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4611 transitions. [2024-11-06 11:49:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-06 11:49:24,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:49:24,803 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:49:24,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-06 11:49:25,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:25,005 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:49:25,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:49:25,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1988644301, now seen corresponding path program 1 times [2024-11-06 11:49:25,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:49:25,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634780918] [2024-11-06 11:49:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:49:25,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:49:25,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:49:25,011 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:49:25,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-06 11:49:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:49:27,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 11:49:27,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:49:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 11:49:29,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:49:29,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:49:29,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634780918] [2024-11-06 11:49:29,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634780918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:49:29,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:49:29,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 11:49:29,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393427396] [2024-11-06 11:49:29,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:49:29,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 11:49:29,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:49:29,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 11:49:29,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:49:29,578 INFO L87 Difference]: Start difference. First operand 3277 states and 4611 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)