/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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 11:53:12,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 11:53:12,896 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 11:53:12,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 11:53:12,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 11:53:12,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 11:53:12,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 11:53:12,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 11:53:12,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 11:53:12,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 11:53:12,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 11:53:12,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 11:53:12,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 11:53:12,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 11:53:12,923 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 11:53:12,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 11:53:12,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 11:53:12,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 11:53:12,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 11:53:12,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 11:53:12,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 11:53:12,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 11:53:12,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 11:53:12,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:53:12,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 11:53:12,930 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 11:53:12,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 11:53:12,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 11:53:12,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 11:53:12,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 11:53:12,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 11:53:12,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 11:53:13,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 11:53:13,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 11:53:13,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 11:53:13,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 11:53:13,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 11:53:13,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2024-11-06 11:53:14,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 11:53:14,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 11:53:14,677 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2024-11-06 11:53:14,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a47006ec/587395e3a26c400f86aaaf1ecd833554/FLAGfe1c112bf [2024-11-06 11:53:14,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a47006ec/587395e3a26c400f86aaaf1ecd833554 [2024-11-06 11:53:14,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 11:53:14,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 11:53:14,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 11:53:14,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 11:53:14,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 11:53:14,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:53:14" (1/1) ... [2024-11-06 11:53:14,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4687fef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:14, skipping insertion in model container [2024-11-06 11:53:14,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:53:14" (1/1) ... [2024-11-06 11:53:15,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:53:15,552 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2024-11-06 11:53:15,595 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 11:53:15,600 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 11:53:15,624 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 11:53:15,625 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 11:53:15,702 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 11:53:15,708 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 11:53:15,711 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 11:53:15,722 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 11:53:15,729 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 11:53:15,730 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 11:53:15,744 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 11:53:15,745 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 11:53:15,746 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 11:53:15,754 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 11:53:15,757 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 11:53:15,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:53:15,776 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 11:53:15,780 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 11:53:15,782 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 11:53:15,785 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 11:53:15,785 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 11:53:15,786 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 11:53:15,786 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 11:53:15,787 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 11:53:15,793 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 11:53:15,794 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 11:53:15,794 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 11:53:15,807 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 11:53:15,809 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 11:53:15,865 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 11:53:15,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:53:15,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 11:53:15,996 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2024-11-06 11:53:16,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:53:16,120 INFO L204 MainTranslator]: Completed translation [2024-11-06 11:53:16,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16 WrapperNode [2024-11-06 11:53:16,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 11:53:16,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 11:53:16,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 11:53:16,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 11:53:16,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,250 INFO L138 Inliner]: procedures = 122, calls = 1240, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 2578 [2024-11-06 11:53:16,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 11:53:16,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 11:53:16,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 11:53:16,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 11:53:16,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,378 INFO L175 MemorySlicer]: Split 666 memory accesses to 14 slices as follows [2, 2, 5, 6, 44, 83, 175, 5, 7, 125, 7, 175, 22, 8]. 26 percent of accesses are in the largest equivalence class. The 213 initializations are split as follows [2, 0, 5, 0, 0, 63, 5, 5, 0, 125, 0, 0, 0, 8]. The 322 writes are split as follows [0, 1, 0, 6, 44, 20, 97, 0, 0, 0, 0, 150, 4, 0]. [2024-11-06 11:53:16,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 11:53:16,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 11:53:16,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 11:53:16,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 11:53:16,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (1/1) ... [2024-11-06 11:53:16,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:53:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:53:16,529 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 11:53:16,530 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 11:53:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 11:53:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 11:53:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-06 11:53:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-06 11:53:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-06 11:53:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-06 11:53:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-06 11:53:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-06 11:53:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-06 11:53:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-06 11:53:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-06 11:53:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 11:53:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 11:53:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 11:53:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-06 11:53:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-06 11:53:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-06 11:53:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-06 11:53:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-06 11:53:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-06 11:53:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-06 11:53:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-06 11:53:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 11:53:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 11:53:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-06 11:53:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-06 11:53:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 11:53:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 11:53:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-06 11:53:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-06 11:53:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 11:53:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 11:53:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-06 11:53:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 11:53:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 11:53:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 11:53:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-06 11:53:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-06 11:53:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-06 11:53:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 11:53:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 11:53:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 11:53:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-06 11:53:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-06 11:53:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-06 11:53:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 11:53:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 11:53:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-06 11:53:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-06 11:53:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2024-11-06 11:53:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2024-11-06 11:53:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 11:53:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 11:53:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-06 11:53:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-06 11:53:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 11:53:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-06 11:53:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 11:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-11-06 11:53:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 11:53:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 11:53:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 11:53:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 11:53:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 11:53:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-11-06 11:53:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 11:53:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 11:53:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 11:53:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 11:53:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 11:53:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 11:53:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-06 11:53:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-06 11:53:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 11:53:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-06 11:53:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 11:53:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 11:53:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 11:53:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 11:53:16,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 11:53:16,969 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 11:53:16,990 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 11:53:17,036 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-06 11:53:42,720 INFO L? ?]: Removed 908 outVars from TransFormulas that were not future-live. [2024-11-06 11:53:42,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 11:53:42,749 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 11:53:42,749 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-06 11:53:42,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:53:42 BoogieIcfgContainer [2024-11-06 11:53:42,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 11:53:42,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 11:53:42,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 11:53:42,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 11:53:42,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:53:14" (1/3) ... [2024-11-06 11:53:42,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffba943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:53:42, skipping insertion in model container [2024-11-06 11:53:42,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:53:16" (2/3) ... [2024-11-06 11:53:42,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffba943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:53:42, skipping insertion in model container [2024-11-06 11:53:42,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:53:42" (3/3) ... [2024-11-06 11:53:42,762 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2024-11-06 11:53:42,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 11:53:42,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 11:53:42,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 11:53:42,834 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;@5a900230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 11:53:42,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 11:53:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 503 states, 363 states have (on average 1.3691460055096418) internal successors, (497), 389 states have internal predecessors, (497), 119 states have call successors, (119), 21 states have call predecessors, (119), 19 states have return successors, (115), 103 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-06 11:53:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-06 11:53:42,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:53:42,844 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] [2024-11-06 11:53:42,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:53:42,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:53:42,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1760506078, now seen corresponding path program 1 times [2024-11-06 11:53:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:53:42,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361288604] [2024-11-06 11:53:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:53:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:53:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:53:42,886 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 11:53:42,887 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 11:53:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:53:44,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:53:44,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:53:45,521 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 11:53:45,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:53:45,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:53:45,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361288604] [2024-11-06 11:53:45,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361288604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:53:45,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:53:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:53:45,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599608413] [2024-11-06 11:53:45,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:53:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:53:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:53:45,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:53:45,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:53:45,543 INFO L87 Difference]: Start difference. First operand has 503 states, 363 states have (on average 1.3691460055096418) internal successors, (497), 389 states have internal predecessors, (497), 119 states have call successors, (119), 21 states have call predecessors, (119), 19 states have return successors, (115), 103 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 11:53:49,624 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 11:53:50,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 11:53:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:53:51,924 INFO L93 Difference]: Finished difference Result 1470 states and 2207 transitions. [2024-11-06 11:53:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:53:51,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-06 11:53:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:53:51,945 INFO L225 Difference]: With dead ends: 1470 [2024-11-06 11:53:51,945 INFO L226 Difference]: Without dead ends: 954 [2024-11-06 11:53:51,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 11:53:51,957 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 681 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-06 11:53:51,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 1431 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-06 11:53:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-11-06 11:53:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2024-11-06 11:53:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 694 states have (on average 1.345821325648415) internal successors, (934), 730 states have internal predecessors, (934), 223 states have call successors, (223), 37 states have call predecessors, (223), 36 states have return successors, (218), 194 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-06 11:53:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1375 transitions. [2024-11-06 11:53:52,066 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1375 transitions. Word has length 22 [2024-11-06 11:53:52,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:53:52,067 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1375 transitions. [2024-11-06 11:53:52,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 11:53:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1375 transitions. [2024-11-06 11:53:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-06 11:53:52,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:53:52,069 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:53:52,093 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 11:53:52,269 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 11:53:52,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:53:52,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:53:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash -550638105, now seen corresponding path program 1 times [2024-11-06 11:53:52,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:53:52,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954606037] [2024-11-06 11:53:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:53:52,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:53:52,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:53:52,274 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 11:53:52,275 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 11:53:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:53:54,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:53:54,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:53:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:53:54,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:53:54,578 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:53:54,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954606037] [2024-11-06 11:53:54,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954606037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:53:54,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:53:54,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:53:54,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423656160] [2024-11-06 11:53:54,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:53:54,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:53:54,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:53:54,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:53:54,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:53:54,580 INFO L87 Difference]: Start difference. First operand 954 states and 1375 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:53:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:53:55,049 INFO L93 Difference]: Finished difference Result 980 states and 1407 transitions. [2024-11-06 11:53:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:53:55,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-06 11:53:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:53:55,055 INFO L225 Difference]: With dead ends: 980 [2024-11-06 11:53:55,055 INFO L226 Difference]: Without dead ends: 967 [2024-11-06 11:53:55,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:53:55,056 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 701 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 11:53:55,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 737 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 11:53:55,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-06 11:53:55,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 954. [2024-11-06 11:53:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 694 states have (on average 1.3443804034582132) internal successors, (933), 730 states have internal predecessors, (933), 223 states have call successors, (223), 37 states have call predecessors, (223), 36 states have return successors, (218), 194 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-06 11:53:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1374 transitions. [2024-11-06 11:53:55,109 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1374 transitions. Word has length 32 [2024-11-06 11:53:55,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:53:55,110 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1374 transitions. [2024-11-06 11:53:55,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:53:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1374 transitions. [2024-11-06 11:53:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-06 11:53:55,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:53:55,112 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:53:55,139 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 11:53:55,312 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 11:53:55,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:53:55,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:53:55,313 INFO L85 PathProgramCache]: Analyzing trace with hash -493379803, now seen corresponding path program 1 times [2024-11-06 11:53:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:53:55,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983919097] [2024-11-06 11:53:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:53:55,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:53:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:53:55,316 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 11:53:55,316 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 11:53:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:53:57,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:53:57,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:54:07,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:07,303 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:07,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983919097] [2024-11-06 11:54:07,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983919097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:07,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:07,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:54:07,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281900298] [2024-11-06 11:54:07,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:07,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:07,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:07,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:07,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:07,305 INFO L87 Difference]: Start difference. First operand 954 states and 1374 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:08,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:08,397 INFO L93 Difference]: Finished difference Result 2837 states and 4105 transitions. [2024-11-06 11:54:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-06 11:54:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:08,408 INFO L225 Difference]: With dead ends: 2837 [2024-11-06 11:54:08,408 INFO L226 Difference]: Without dead ends: 1895 [2024-11-06 11:54:08,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:08,411 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 679 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:08,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1398 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 11:54:08,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2024-11-06 11:54:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1885. [2024-11-06 11:54:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1374 states have (on average 1.3427947598253276) internal successors, (1845), 1442 states have internal predecessors, (1845), 439 states have call successors, (439), 72 states have call predecessors, (439), 71 states have return successors, (440), 386 states have call predecessors, (440), 434 states have call successors, (440) [2024-11-06 11:54:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2724 transitions. [2024-11-06 11:54:08,486 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2724 transitions. Word has length 32 [2024-11-06 11:54:08,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:08,487 INFO L471 AbstractCegarLoop]: Abstraction has 1885 states and 2724 transitions. [2024-11-06 11:54:08,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2724 transitions. [2024-11-06 11:54:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-06 11:54:08,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:08,489 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:54:08,516 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 11:54:08,690 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 11:54:08,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:08,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1884837444, now seen corresponding path program 1 times [2024-11-06 11:54:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:08,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707987230] [2024-11-06 11:54:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:08,694 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 11:54:08,696 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 11:54:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:10,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:54:10,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:54:21,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:21,081 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:21,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707987230] [2024-11-06 11:54:21,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707987230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:21,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:21,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:54:21,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606125947] [2024-11-06 11:54:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:21,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:21,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:21,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:21,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:21,083 INFO L87 Difference]: Start difference. First operand 1885 states and 2724 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:22,153 INFO L93 Difference]: Finished difference Result 5626 states and 8135 transitions. [2024-11-06 11:54:22,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:22,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-06 11:54:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:22,173 INFO L225 Difference]: With dead ends: 5626 [2024-11-06 11:54:22,173 INFO L226 Difference]: Without dead ends: 3753 [2024-11-06 11:54:22,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:22,180 INFO L432 NwaCegarLoop]: 1247 mSDtfsCounter, 673 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:22,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1939 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 11:54:22,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2024-11-06 11:54:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3744. [2024-11-06 11:54:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2731 states have (on average 1.34053460270963) internal successors, (3661), 2863 states have internal predecessors, (3661), 871 states have call successors, (871), 142 states have call predecessors, (871), 141 states have return successors, (878), 770 states have call predecessors, (878), 866 states have call successors, (878) [2024-11-06 11:54:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5410 transitions. [2024-11-06 11:54:22,332 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5410 transitions. Word has length 33 [2024-11-06 11:54:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:22,332 INFO L471 AbstractCegarLoop]: Abstraction has 3744 states and 5410 transitions. [2024-11-06 11:54:22,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5410 transitions. [2024-11-06 11:54:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-06 11:54:22,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:22,336 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:54:22,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 11:54:22,536 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 11:54:22,537 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:22,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1699834360, now seen corresponding path program 1 times [2024-11-06 11:54:22,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:22,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [251468317] [2024-11-06 11:54:22,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:22,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:22,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:22,541 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 11:54:22,542 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 11:54:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:24,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:54:24,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:54:29,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:29,872 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:29,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251468317] [2024-11-06 11:54:29,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251468317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:29,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:29,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:54:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083249223] [2024-11-06 11:54:29,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:29,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:29,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:29,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:29,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:29,874 INFO L87 Difference]: Start difference. First operand 3744 states and 5410 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:30,430 INFO L93 Difference]: Finished difference Result 3751 states and 5416 transitions. [2024-11-06 11:54:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:30,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-06 11:54:30,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:30,462 INFO L225 Difference]: With dead ends: 3751 [2024-11-06 11:54:30,463 INFO L226 Difference]: Without dead ends: 3748 [2024-11-06 11:54:30,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:30,464 INFO L432 NwaCegarLoop]: 1248 mSDtfsCounter, 670 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:30,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1939 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 11:54:30,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3748 states. [2024-11-06 11:54:30,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3748 to 3745. [2024-11-06 11:54:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2732 states have (on average 1.3404099560761347) internal successors, (3662), 2864 states have internal predecessors, (3662), 871 states have call successors, (871), 142 states have call predecessors, (871), 141 states have return successors, (878), 770 states have call predecessors, (878), 866 states have call successors, (878) [2024-11-06 11:54:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5411 transitions. [2024-11-06 11:54:30,613 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5411 transitions. Word has length 34 [2024-11-06 11:54:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:30,613 INFO L471 AbstractCegarLoop]: Abstraction has 3745 states and 5411 transitions. [2024-11-06 11:54:30,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5411 transitions. [2024-11-06 11:54:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-06 11:54:30,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:30,614 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:54:30,641 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 11:54:30,815 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 11:54:30,819 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:30,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:30,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1155505721, now seen corresponding path program 1 times [2024-11-06 11:54:30,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:30,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1794261698] [2024-11-06 11:54:30,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:30,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:30,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:30,822 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 11:54:30,823 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 11:54:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:32,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:54:32,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:54:38,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:38,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:38,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794261698] [2024-11-06 11:54:38,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794261698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:38,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:38,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:54:38,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170837303] [2024-11-06 11:54:38,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:38,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:38,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:38,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:38,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:38,867 INFO L87 Difference]: Start difference. First operand 3745 states and 5411 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:39,080 INFO L93 Difference]: Finished difference Result 3747 states and 5412 transitions. [2024-11-06 11:54:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:39,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-06 11:54:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:39,096 INFO L225 Difference]: With dead ends: 3747 [2024-11-06 11:54:39,096 INFO L226 Difference]: Without dead ends: 3744 [2024-11-06 11:54:39,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:39,099 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 675 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:39,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 703 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 11:54:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2024-11-06 11:54:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3744. [2024-11-06 11:54:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2732 states have (on average 1.3400439238653001) internal successors, (3661), 2863 states have internal predecessors, (3661), 870 states have call successors, (870), 142 states have call predecessors, (870), 141 states have return successors, (878), 770 states have call predecessors, (878), 866 states have call successors, (878) [2024-11-06 11:54:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5409 transitions. [2024-11-06 11:54:39,290 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5409 transitions. Word has length 35 [2024-11-06 11:54:39,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:39,291 INFO L471 AbstractCegarLoop]: Abstraction has 3744 states and 5409 transitions. [2024-11-06 11:54:39,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5409 transitions. [2024-11-06 11:54:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-06 11:54:39,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:39,291 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 11:54:39,316 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 11:54:39,492 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 11:54:39,492 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:39,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1461182229, now seen corresponding path program 1 times [2024-11-06 11:54:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:39,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69849737] [2024-11-06 11:54:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:39,495 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 11:54:39,496 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 11:54:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:41,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:54:41,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:54:47,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:47,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69849737] [2024-11-06 11:54:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69849737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:47,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:47,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:54:47,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932166868] [2024-11-06 11:54:47,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:47,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:47,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:47,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:47,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:47,426 INFO L87 Difference]: Start difference. First operand 3744 states and 5409 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:47,552 INFO L93 Difference]: Finished difference Result 3746 states and 5410 transitions. [2024-11-06 11:54:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:47,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-06 11:54:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:47,565 INFO L225 Difference]: With dead ends: 3746 [2024-11-06 11:54:47,565 INFO L226 Difference]: Without dead ends: 3734 [2024-11-06 11:54:47,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:47,567 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 672 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:47,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 11:54:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2024-11-06 11:54:47,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3734. [2024-11-06 11:54:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2723 states have (on average 1.3396988615497614) internal successors, (3648), 2853 states have internal predecessors, (3648), 869 states have call successors, (869), 142 states have call predecessors, (869), 141 states have return successors, (878), 770 states have call predecessors, (878), 866 states have call successors, (878) [2024-11-06 11:54:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5395 transitions. [2024-11-06 11:54:47,729 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5395 transitions. Word has length 36 [2024-11-06 11:54:47,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:47,730 INFO L471 AbstractCegarLoop]: Abstraction has 3734 states and 5395 transitions. [2024-11-06 11:54:47,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-06 11:54:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5395 transitions. [2024-11-06 11:54:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-06 11:54:47,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:47,733 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:54:47,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 11:54:47,933 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 11:54:47,934 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:47,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:47,934 INFO L85 PathProgramCache]: Analyzing trace with hash -295365718, now seen corresponding path program 1 times [2024-11-06 11:54:47,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:47,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162201947] [2024-11-06 11:54:47,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:47,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:47,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:47,937 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 11:54:47,937 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 11:54:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:49,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 1721 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:54:49,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 11:54:50,729 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:50,729 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:50,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162201947] [2024-11-06 11:54:50,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162201947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:50,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:54:50,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435034778] [2024-11-06 11:54:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:50,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:50,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:50,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:50,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:50,730 INFO L87 Difference]: Start difference. First operand 3734 states and 5395 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 11:54:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:51,785 INFO L93 Difference]: Finished difference Result 7584 states and 10955 transitions. [2024-11-06 11:54:51,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 108 [2024-11-06 11:54:51,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:51,804 INFO L225 Difference]: With dead ends: 7584 [2024-11-06 11:54:51,804 INFO L226 Difference]: Without dead ends: 3862 [2024-11-06 11:54:51,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:51,814 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 45 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:51,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1385 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 11:54:51,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2024-11-06 11:54:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3838. [2024-11-06 11:54:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2826 states have (on average 1.3425336164189667) internal successors, (3794), 2956 states have internal predecessors, (3794), 869 states have call successors, (869), 143 states have call predecessors, (869), 142 states have return successors, (878), 770 states have call predecessors, (878), 866 states have call successors, (878) [2024-11-06 11:54:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5541 transitions. [2024-11-06 11:54:52,032 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5541 transitions. Word has length 108 [2024-11-06 11:54:52,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:52,033 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5541 transitions. [2024-11-06 11:54:52,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-06 11:54:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5541 transitions. [2024-11-06 11:54:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-06 11:54:52,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:52,036 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:54:52,066 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 11:54:52,236 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 11:54:52,237 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:52,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:52,237 INFO L85 PathProgramCache]: Analyzing trace with hash 668695600, now seen corresponding path program 1 times [2024-11-06 11:54:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966918380] [2024-11-06 11:54:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:52,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:52,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:52,240 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 11:54:52,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process