/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:45:50,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:45:50,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:45:50,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:45:50,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:45:50,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:45:50,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:45:50,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:45:50,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:45:50,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:45:50,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:45:50,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:45:50,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:45:50,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:45:50,573 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:45:50,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:45:50,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:45:50,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:45:50,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:45:50,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:45:50,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:45:50,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:45:50,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:45:50,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:45:50,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:45:50,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:45:50,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:45:50,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:45:50,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:45:50,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:45:50,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:45:50,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:45:50,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:45:50,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:45:50,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:45:50,583 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:45:50,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:45:50,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:45:50,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:45:50,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:45:50,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:45:50,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:45:50,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:45:50,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:45:50,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:45:50,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:45:50,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:45:50,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2024-11-05 11:45:52,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:45:52,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:45:52,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2024-11-05 11:45:52,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/109c960e7/9e8bbea051734cada92cf790dcb095d5/FLAGfeb0f698b [2024-11-05 11:45:52,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/109c960e7/9e8bbea051734cada92cf790dcb095d5 [2024-11-05 11:45:52,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:45:52,872 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:45:52,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:45:52,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:45:52,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:45:52,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:45:52" (1/1) ... [2024-11-05 11:45:52,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bd5d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:52, skipping insertion in model container [2024-11-05 11:45:52,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:45:52" (1/1) ... [2024-11-05 11:45:52,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:45:53,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,575 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,590 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,593 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,594 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,595 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,595 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,607 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,640 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,662 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2024-11-05 11:45:53,704 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:45:53,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:45:53,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:45:53,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2024-11-05 11:45:53,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:45:53,907 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:45:53,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53 WrapperNode [2024-11-05 11:45:53,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:45:53,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:45:53,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:45:53,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:45:53,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:53,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,014 INFO L138 Inliner]: procedures = 95, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 557 [2024-11-05 11:45:54,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:45:54,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:45:54,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:45:54,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:45:54,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,089 INFO L175 MemorySlicer]: Split 42 memory accesses to 3 slices as follows [2, 25, 15]. 60 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 0, 4]. The 29 writes are split as follows [0, 25, 4]. [2024-11-05 11:45:54,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:45:54,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:45:54,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:45:54,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:45:54,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (1/1) ... [2024-11-05 11:45:54,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:45:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:45:54,198 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) [2024-11-05 11:45:54,201 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 [2024-11-05 11:45:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:45:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-05 11:45:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-05 11:45:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2024-11-05 11:45:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2024-11-05 11:45:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:45:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:45:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:45:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:45:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-05 11:45:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:45:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:45:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 11:45:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:45:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:45:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:45:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2024-11-05 11:45:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2024-11-05 11:45:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-05 11:45:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-05 11:45:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:45:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:45:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:45:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:45:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-05 11:45:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:45:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-05 11:45:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:45:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:45:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:45:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:45:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:45:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-05 11:45:54,235 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-05 11:45:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:45:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:45:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:45:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:45:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:45:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:45:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:45:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:45:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:45:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2024-11-05 11:45:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2024-11-05 11:45:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:45:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:45:54,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:45:54,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:45:54,882 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:45:59,369 INFO L? ?]: Removed 335 outVars from TransFormulas that were not future-live. [2024-11-05 11:45:59,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:45:59,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:45:59,391 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:45:59,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:45:59 BoogieIcfgContainer [2024-11-05 11:45:59,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:45:59,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:45:59,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:45:59,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:45:59,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:45:52" (1/3) ... [2024-11-05 11:45:59,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450db0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:45:59, skipping insertion in model container [2024-11-05 11:45:59,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:45:53" (2/3) ... [2024-11-05 11:45:59,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450db0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:45:59, skipping insertion in model container [2024-11-05 11:45:59,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:45:59" (3/3) ... [2024-11-05 11:45:59,405 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2024-11-05 11:45:59,418 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:45:59,418 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:45:59,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:45:59,488 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;@6cbc48a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:45:59,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:45:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 157 states have internal predecessors, (200), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-05 11:45:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-05 11:45:59,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:45:59,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:45:59,513 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:45:59,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:45:59,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1261264738, now seen corresponding path program 1 times [2024-11-05 11:45:59,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:45:59,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836822352] [2024-11-05 11:45:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:45:59,529 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:45:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:45:59,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:45:59,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:45:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:45:59,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:45:59,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:45:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:45:59,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:46:00,050 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:00,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836822352] [2024-11-05 11:46:00,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [836822352] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:46:00,051 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:46:00,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:46:00,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514728216] [2024-11-05 11:46:00,053 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:00,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:46:00,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:00,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:46:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:46:00,079 INFO L87 Difference]: Start difference. First operand has 196 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 157 states have internal predecessors, (200), 33 states have call successors, (33), 15 states have call predecessors, (33), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:46:04,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:46:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:04,853 INFO L93 Difference]: Finished difference Result 722 states and 1009 transitions. [2024-11-05 11:46:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:46:04,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-05 11:46:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:04,875 INFO L225 Difference]: With dead ends: 722 [2024-11-05 11:46:04,878 INFO L226 Difference]: Without dead ends: 507 [2024-11-05 11:46:04,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:46:04,892 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 634 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 66 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:04,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 651 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-05 11:46:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-05 11:46:05,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2024-11-05 11:46:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 387 states have (on average 1.330749354005168) internal successors, (515), 394 states have internal predecessors, (515), 76 states have call successors, (76), 38 states have call predecessors, (76), 37 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-05 11:46:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 665 transitions. [2024-11-05 11:46:05,012 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 665 transitions. Word has length 16 [2024-11-05 11:46:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:05,013 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 665 transitions. [2024-11-05 11:46:05,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:46:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 665 transitions. [2024-11-05 11:46:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-05 11:46:05,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:05,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:46:05,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:46:05,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:05,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:05,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:05,223 INFO L85 PathProgramCache]: Analyzing trace with hash 153897654, now seen corresponding path program 1 times [2024-11-05 11:46:05,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:05,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768467286] [2024-11-05 11:46:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:05,223 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:05,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:05,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:05,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:46:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:46:05,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:46:05,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:46:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:46:05,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:46:06,013 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:06,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768467286] [2024-11-05 11:46:06,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [768467286] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:46:06,014 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:46:06,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:46:06,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178172377] [2024-11-05 11:46:06,014 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:06,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:46:06,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:06,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:46:06,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:46:06,017 INFO L87 Difference]: Start difference. First operand 501 states and 665 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:46:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:06,060 INFO L93 Difference]: Finished difference Result 995 states and 1341 transitions. [2024-11-05 11:46:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:46:06,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-05 11:46:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:06,065 INFO L225 Difference]: With dead ends: 995 [2024-11-05 11:46:06,065 INFO L226 Difference]: Without dead ends: 492 [2024-11-05 11:46:06,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:46:06,071 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 208 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:06,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 236 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:46:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-05 11:46:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 334. [2024-11-05 11:46:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 257 states have (on average 1.3151750972762646) internal successors, (338), 261 states have internal predecessors, (338), 51 states have call successors, (51), 26 states have call predecessors, (51), 25 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-05 11:46:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 439 transitions. [2024-11-05 11:46:06,122 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 439 transitions. Word has length 32 [2024-11-05 11:46:06,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:06,122 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 439 transitions. [2024-11-05 11:46:06,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:46:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 439 transitions. [2024-11-05 11:46:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 11:46:06,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:06,128 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:46:06,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:46:06,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:06,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:06,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1058202050, now seen corresponding path program 1 times [2024-11-05 11:46:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:06,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686457592] [2024-11-05 11:46:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:06,334 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:06,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:06,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:06,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:46:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:46:06,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:46:06,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:46:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 11:46:06,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 11:46:06,765 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:06,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686457592] [2024-11-05 11:46:06,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1686457592] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:46:06,766 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:46:06,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:46:06,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836808674] [2024-11-05 11:46:06,766 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:06,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:46:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:06,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:46:06,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:46:06,768 INFO L87 Difference]: Start difference. First operand 334 states and 439 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 11:46:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:06,892 INFO L93 Difference]: Finished difference Result 748 states and 994 transitions. [2024-11-05 11:46:06,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:46:06,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2024-11-05 11:46:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:06,896 INFO L225 Difference]: With dead ends: 748 [2024-11-05 11:46:06,896 INFO L226 Difference]: Without dead ends: 417 [2024-11-05 11:46:06,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:46:06,898 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 56 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:06,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 448 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:46:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-05 11:46:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-05 11:46:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 328 states have (on average 1.3323170731707317) internal successors, (437), 332 states have internal predecessors, (437), 59 states have call successors, (59), 28 states have call predecessors, (59), 27 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-05 11:46:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 554 transitions. [2024-11-05 11:46:06,937 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 554 transitions. Word has length 46 [2024-11-05 11:46:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:06,937 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 554 transitions. [2024-11-05 11:46:06,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 11:46:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 554 transitions. [2024-11-05 11:46:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-05 11:46:06,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:06,941 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:46:06,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:46:07,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:07,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:07,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:07,160 INFO L85 PathProgramCache]: Analyzing trace with hash -961530910, now seen corresponding path program 1 times [2024-11-05 11:46:07,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:07,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57943937] [2024-11-05 11:46:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:07,160 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:07,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:07,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:07,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:46:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:46:07,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:46:07,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:46:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-05 11:46:07,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-05 11:46:08,218 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:08,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57943937] [2024-11-05 11:46:08,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [57943937] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:46:08,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:46:08,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-05 11:46:08,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842371698] [2024-11-05 11:46:08,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:08,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:46:08,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:08,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:46:08,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:46:08,223 INFO L87 Difference]: Start difference. First operand 415 states and 554 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 11:46:08,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:08,361 INFO L93 Difference]: Finished difference Result 837 states and 1123 transitions. [2024-11-05 11:46:08,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:46:08,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2024-11-05 11:46:08,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:08,367 INFO L225 Difference]: With dead ends: 837 [2024-11-05 11:46:08,367 INFO L226 Difference]: Without dead ends: 425 [2024-11-05 11:46:08,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:46:08,369 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:08,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1134 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:46:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-05 11:46:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-05 11:46:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.3244047619047619) internal successors, (445), 340 states have internal predecessors, (445), 59 states have call successors, (59), 28 states have call predecessors, (59), 29 states have return successors, (64), 60 states have call predecessors, (64), 58 states have call successors, (64) [2024-11-05 11:46:08,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 568 transitions. [2024-11-05 11:46:08,410 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 568 transitions. Word has length 71 [2024-11-05 11:46:08,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:08,411 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 568 transitions. [2024-11-05 11:46:08,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 11:46:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 568 transitions. [2024-11-05 11:46:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-05 11:46:08,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:08,416 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-05 11:46:08,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:46:08,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:08,617 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:08,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:08,618 INFO L85 PathProgramCache]: Analyzing trace with hash -687936805, now seen corresponding path program 1 times [2024-11-05 11:46:08,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:08,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094963870] [2024-11-05 11:46:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:08,618 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:08,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:08,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:46:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:46:08,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:46:08,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:46:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:46:09,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:46:09,647 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094963870] [2024-11-05 11:46:09,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2094963870] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:46:09,647 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:46:09,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-05 11:46:09,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062648931] [2024-11-05 11:46:09,648 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:09,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:46:09,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:46:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:46:09,649 INFO L87 Difference]: Start difference. First operand 425 states and 568 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-05 11:46:09,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:09,811 INFO L93 Difference]: Finished difference Result 1219 states and 1632 transitions. [2024-11-05 11:46:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:46:09,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 73 [2024-11-05 11:46:09,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:09,818 INFO L225 Difference]: With dead ends: 1219 [2024-11-05 11:46:09,818 INFO L226 Difference]: Without dead ends: 797 [2024-11-05 11:46:09,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:46:09,822 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 291 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:09,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 477 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:46:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-05 11:46:09,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 793. [2024-11-05 11:46:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 637 states have (on average 1.3296703296703296) internal successors, (847), 645 states have internal predecessors, (847), 101 states have call successors, (101), 51 states have call predecessors, (101), 54 states have return successors, (112), 104 states have call predecessors, (112), 100 states have call successors, (112) [2024-11-05 11:46:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1060 transitions. [2024-11-05 11:46:09,880 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1060 transitions. Word has length 73 [2024-11-05 11:46:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:09,880 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1060 transitions. [2024-11-05 11:46:09,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-05 11:46:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1060 transitions. [2024-11-05 11:46:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-05 11:46:09,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:09,885 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-05 11:46:09,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:46:10,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:10,086 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:10,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1835113710, now seen corresponding path program 1 times [2024-11-05 11:46:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64557563] [2024-11-05 11:46:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:10,088 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:10,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:10,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:10,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:46:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:46:10,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:46:10,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:46:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-05 11:46:10,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:46:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-05 11:46:11,092 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:46:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64557563] [2024-11-05 11:46:11,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [64557563] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:46:11,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:46:11,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-05 11:46:11,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120137391] [2024-11-05 11:46:11,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:46:11,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:46:11,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:46:11,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:46:11,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:46:11,094 INFO L87 Difference]: Start difference. First operand 793 states and 1060 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:46:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:46:11,306 INFO L93 Difference]: Finished difference Result 1595 states and 2137 transitions. [2024-11-05 11:46:11,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:46:11,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-05 11:46:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:46:11,312 INFO L225 Difference]: With dead ends: 1595 [2024-11-05 11:46:11,312 INFO L226 Difference]: Without dead ends: 805 [2024-11-05 11:46:11,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:46:11,316 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:46:11,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1129 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:46:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-05 11:46:11,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2024-11-05 11:46:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 649 states have (on average 1.3235747303543914) internal successors, (859), 653 states have internal predecessors, (859), 101 states have call successors, (101), 51 states have call predecessors, (101), 54 states have return successors, (112), 108 states have call predecessors, (112), 100 states have call successors, (112) [2024-11-05 11:46:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1072 transitions. [2024-11-05 11:46:11,397 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1072 transitions. Word has length 77 [2024-11-05 11:46:11,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:46:11,397 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1072 transitions. [2024-11-05 11:46:11,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:46:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1072 transitions. [2024-11-05 11:46:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-05 11:46:11,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:46:11,404 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-05 11:46:11,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:46:11,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:11,605 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:46:11,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:46:11,606 INFO L85 PathProgramCache]: Analyzing trace with hash 136768066, now seen corresponding path program 2 times [2024-11-05 11:46:11,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:46:11,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045849682] [2024-11-05 11:46:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:46:11,606 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:46:11,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:11,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:46:11,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:46:11,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Forceful destruction successful, exit code 0 [2024-11-05 11:46:12,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:46:12,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:88) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:271) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 29 more Caused by: java.lang.Exception: Can't recover from previous error(s) at com.github.jhoenicke.javacup.runtime.LRParser.report_fatal_error(LRParser.java:281) at com.github.jhoenicke.javacup.runtime.LRParser.unrecovered_syntax_error(LRParser.java:330) at com.github.jhoenicke.javacup.runtime.LRParser.error_recovery(LRParser.java:624) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:401) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 36 more [2024-11-05 11:46:12,119 INFO L158 Benchmark]: Toolchain (without parser) took 19246.84ms. Allocated memory was 200.3MB in the beginning and 376.4MB in the end (delta: 176.2MB). Free memory was 140.1MB in the beginning and 246.5MB in the end (delta: -106.4MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,120 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory was 154.3MB in the beginning and 154.1MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 11:46:12,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1035.15ms. Allocated memory is still 200.3MB. Free memory was 140.1MB in the beginning and 78.1MB in the end (delta: 62.0MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.87ms. Allocated memory was 200.3MB in the beginning and 313.5MB in the end (delta: 113.2MB). Free memory was 78.1MB in the beginning and 274.8MB in the end (delta: -196.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,120 INFO L158 Benchmark]: Boogie Preprocessor took 136.84ms. Allocated memory is still 313.5MB. Free memory was 274.8MB in the beginning and 264.8MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,121 INFO L158 Benchmark]: RCFGBuilder took 5235.34ms. Allocated memory is still 313.5MB. Free memory was 264.3MB in the beginning and 195.6MB in the end (delta: 68.7MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,121 INFO L158 Benchmark]: TraceAbstraction took 12721.60ms. Allocated memory was 313.5MB in the beginning and 376.4MB in the end (delta: 62.9MB). Free memory was 195.1MB in the beginning and 246.5MB in the end (delta: -51.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-11-05 11:46:12,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory was 154.3MB in the beginning and 154.1MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1035.15ms. Allocated memory is still 200.3MB. Free memory was 140.1MB in the beginning and 78.1MB in the end (delta: 62.0MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.87ms. Allocated memory was 200.3MB in the beginning and 313.5MB in the end (delta: 113.2MB). Free memory was 78.1MB in the beginning and 274.8MB in the end (delta: -196.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 136.84ms. Allocated memory is still 313.5MB. Free memory was 274.8MB in the beginning and 264.8MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 5235.34ms. Allocated memory is still 313.5MB. Free memory was 264.3MB in the beginning and 195.6MB in the end (delta: 68.7MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * TraceAbstraction took 12721.60ms. Allocated memory was 313.5MB in the beginning and 376.4MB in the end (delta: 62.9MB). Free memory was 195.1MB in the beginning and 246.5MB in the end (delta: -51.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8) with exit command (exit)) Unexpected Exception while parsing No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8) with exit command (exit)) Unexpected Exception while parsing No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-05 11:46:12,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...