/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-356b6ba-m [2024-11-01 19:25:55,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:25:55,128 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 19:25:55,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:25:55,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:25:55,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:25:55,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:25:55,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:25:55,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:25:55,162 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:25:55,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:25:55,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:25:55,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:25:55,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:25:55,166 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:25:55,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:25:55,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:25:55,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:25:55,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:25:55,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:25:55,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:25:55,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:25:55,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:25:55,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:25:55,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:25:55,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:25:55,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:25:55,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:25:55,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:25:55,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:25:55,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:25:55,172 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:25:55,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:25:55,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:25:55,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:25:55,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:25:55,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:25:55,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:25:55,507 INFO L431 ainManager$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 [2024-11-01 19:25:56,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:25:57,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:25:57,244 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 [2024-11-01 19:25:57,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a739eb001/12f45122ac66499ab7f0f6138b3f6a07/FLAG913430726 [2024-11-01 19:25:57,290 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a739eb001/12f45122ac66499ab7f0f6138b3f6a07 [2024-11-01 19:25:57,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:25:57,294 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:25:57,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:25:57,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:25:57,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:25:57,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:25:57" (1/1) ... [2024-11-01 19:25:57,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741f195c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:57, skipping insertion in model container [2024-11-01 19:25:57,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:25:57" (1/1) ... [2024-11-01 19:25:57,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:25:57,794 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,824 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,832 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,833 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,834 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,839 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,839 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,840 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,842 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,842 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,843 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,843 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,867 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,884 WARN L251 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] [2024-11-01 19:25:57,905 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:25:57,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:25:57,929 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:25:58,018 WARN L251 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] [2024-11-01 19:25:58,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:25:58,053 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:25:58,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58 WrapperNode [2024-11-01 19:25:58,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:25:58,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:25:58,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:25:58,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:25:58,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,125 INFO L138 Inliner]: procedures = 95, calls = 129, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 557 [2024-11-01 19:25:58,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:25:58,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:25:58,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:25:58,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:25:58,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,194 INFO L175 MemorySlicer]: Split 42 memory accesses to 3 slices as follows [2, 15, 25]. 60 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4, 0]. The 29 writes are split as follows [0, 4, 25]. [2024-11-01 19:25:58,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:25:58,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:25:58,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:25:58,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:25:58,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (1/1) ... [2024-11-01 19:25:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:25:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:25:58,286 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) [2024-11-01 19:25:58,289 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 [2024-11-01 19:25:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:25:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-01 19:25:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-01 19:25:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2024-11-01 19:25:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2024-11-01 19:25:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:25:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:25:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:25:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 19:25:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 19:25:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 19:25:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-01 19:25:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-01 19:25:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:25:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:25:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:25:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:25:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:25:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:25:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:25:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-01 19:25:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:25:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2024-11-01 19:25:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-01 19:25:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-01 19:25:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-01 19:25:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 19:25:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-01 19:25:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:25:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:25:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:25:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:25:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:25:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-01 19:25:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-01 19:25:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:25:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:25:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:25:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:25:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:25:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:25:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:25:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:25:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:25:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2024-11-01 19:25:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2024-11-01 19:25:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:25:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:25:58,570 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:25:58,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:25:58,852 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:26:03,217 INFO L? ?]: Removed 335 outVars from TransFormulas that were not future-live. [2024-11-01 19:26:03,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:26:03,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:26:03,230 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 19:26:03,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:26:03 BoogieIcfgContainer [2024-11-01 19:26:03,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:26:03,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:26:03,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:26:03,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:26:03,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:25:57" (1/3) ... [2024-11-01 19:26:03,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1880460f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:26:03, skipping insertion in model container [2024-11-01 19:26:03,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:25:58" (2/3) ... [2024-11-01 19:26:03,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1880460f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:26:03, skipping insertion in model container [2024-11-01 19:26:03,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:26:03" (3/3) ... [2024-11-01 19:26:03,237 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 [2024-11-01 19:26:03,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:26:03,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:26:03,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:26:03,300 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;@65d6d05a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:26:03,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:26:03,304 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) [2024-11-01 19:26:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-01 19:26:03,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:03,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:26:03,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:03,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:03,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1261264738, now seen corresponding path program 1 times [2024-11-01 19:26:03,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:03,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901247310] [2024-11-01 19:26:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:03,327 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:03,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:03,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:03,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:26:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:03,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:26:03,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:26:03,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:26:03,754 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:03,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901247310] [2024-11-01 19:26:03,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [901247310] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:26:03,756 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:26:03,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:26:03,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994844228] [2024-11-01 19:26:03,758 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:03,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:26:03,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:03,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:26:03,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:26:03,785 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) [2024-11-01 19:26:07,810 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 [] [2024-11-01 19:26:08,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:08,537 INFO L93 Difference]: Finished difference Result 722 states and 1009 transitions. [2024-11-01 19:26:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:26:08,540 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 [2024-11-01 19:26:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:08,553 INFO L225 Difference]: With dead ends: 722 [2024-11-01 19:26:08,554 INFO L226 Difference]: Without dead ends: 507 [2024-11-01 19:26:08,558 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 [2024-11-01 19:26:08,561 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 [2024-11-01 19:26:08,561 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] [2024-11-01 19:26:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-01 19:26:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2024-11-01 19:26:08,622 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) [2024-11-01 19:26:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 665 transitions. [2024-11-01 19:26:08,626 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 665 transitions. Word has length 16 [2024-11-01 19:26:08,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:08,627 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 665 transitions. [2024-11-01 19:26:08,627 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) [2024-11-01 19:26:08,627 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 665 transitions. [2024-11-01 19:26:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-01 19:26:08,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:08,629 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] [2024-11-01 19:26:08,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:26:08,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:08,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:08,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 153897654, now seen corresponding path program 1 times [2024-11-01 19:26:08,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:08,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938401963] [2024-11-01 19:26:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:08,832 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:08,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:08,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:08,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:26:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:09,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:26:09,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:26:09,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:26:09,453 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:09,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938401963] [2024-11-01 19:26:09,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [938401963] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:26:09,453 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:26:09,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 19:26:09,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037452693] [2024-11-01 19:26:09,454 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:09,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:26:09,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:26:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:26:09,456 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) [2024-11-01 19:26:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:09,507 INFO L93 Difference]: Finished difference Result 995 states and 1341 transitions. [2024-11-01 19:26:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:26:09,507 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 [2024-11-01 19:26:09,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:09,513 INFO L225 Difference]: With dead ends: 995 [2024-11-01 19:26:09,513 INFO L226 Difference]: Without dead ends: 492 [2024-11-01 19:26:09,516 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 [2024-11-01 19:26:09,518 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 [2024-11-01 19:26:09,519 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] [2024-11-01 19:26:09,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-01 19:26:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 334. [2024-11-01 19:26:09,553 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) [2024-11-01 19:26:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 439 transitions. [2024-11-01 19:26:09,556 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 439 transitions. Word has length 32 [2024-11-01 19:26:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:09,556 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 439 transitions. [2024-11-01 19:26:09,557 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) [2024-11-01 19:26:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 439 transitions. [2024-11-01 19:26:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 19:26:09,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:09,559 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] [2024-11-01 19:26:09,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-01 19:26:09,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:09,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1058202050, now seen corresponding path program 1 times [2024-11-01 19:26:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:09,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690966865] [2024-11-01 19:26:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:09,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:09,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:26:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:09,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:26:09,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 19:26:10,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 19:26:10,097 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:10,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690966865] [2024-11-01 19:26:10,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [690966865] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:26:10,097 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:26:10,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:26:10,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373638455] [2024-11-01 19:26:10,097 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:10,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:26:10,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:10,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:26:10,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:26:10,098 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) [2024-11-01 19:26:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:10,194 INFO L93 Difference]: Finished difference Result 748 states and 994 transitions. [2024-11-01 19:26:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:26:10,194 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 [2024-11-01 19:26:10,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:10,197 INFO L225 Difference]: With dead ends: 748 [2024-11-01 19:26:10,197 INFO L226 Difference]: Without dead ends: 417 [2024-11-01 19:26:10,198 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 [2024-11-01 19:26:10,198 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 [2024-11-01 19:26:10,199 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] [2024-11-01 19:26:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-01 19:26:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-01 19:26:10,220 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) [2024-11-01 19:26:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 554 transitions. [2024-11-01 19:26:10,224 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 554 transitions. Word has length 46 [2024-11-01 19:26:10,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:10,224 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 554 transitions. [2024-11-01 19:26:10,225 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) [2024-11-01 19:26:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 554 transitions. [2024-11-01 19:26:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-01 19:26:10,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:10,227 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] [2024-11-01 19:26:10,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-01 19:26:10,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:10,428 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:10,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:10,428 INFO L85 PathProgramCache]: Analyzing trace with hash -961530910, now seen corresponding path program 1 times [2024-11-01 19:26:10,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:10,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717258922] [2024-11-01 19:26:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:10,429 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:10,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:10,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:10,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:26:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:10,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 19:26:10,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-01 19:26:10,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-01 19:26:11,346 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:11,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717258922] [2024-11-01 19:26:11,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [717258922] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 19:26:11,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 19:26:11,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-01 19:26:11,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856264902] [2024-11-01 19:26:11,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:11,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 19:26:11,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:11,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 19:26:11,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:26:11,348 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) [2024-11-01 19:26:11,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:11,458 INFO L93 Difference]: Finished difference Result 837 states and 1123 transitions. [2024-11-01 19:26:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 19:26:11,459 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 [2024-11-01 19:26:11,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:11,462 INFO L225 Difference]: With dead ends: 837 [2024-11-01 19:26:11,463 INFO L226 Difference]: Without dead ends: 425 [2024-11-01 19:26:11,464 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 [2024-11-01 19:26:11,464 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 [2024-11-01 19:26:11,465 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] [2024-11-01 19:26:11,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-01 19:26:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-01 19:26:11,483 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) [2024-11-01 19:26:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 568 transitions. [2024-11-01 19:26:11,485 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 568 transitions. Word has length 71 [2024-11-01 19:26:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:11,485 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 568 transitions. [2024-11-01 19:26:11,486 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) [2024-11-01 19:26:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 568 transitions. [2024-11-01 19:26:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-01 19:26:11,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:11,487 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] [2024-11-01 19:26:11,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-01 19:26:11,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:11,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:11,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:11,691 INFO L85 PathProgramCache]: Analyzing trace with hash -687936805, now seen corresponding path program 1 times [2024-11-01 19:26:11,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:11,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690303600] [2024-11-01 19:26:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:11,692 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:11,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:11,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:26:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:11,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:26:11,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-01 19:26:12,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-01 19:26:12,511 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:12,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690303600] [2024-11-01 19:26:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1690303600] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:26:12,514 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:26:12,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 19:26:12,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854918987] [2024-11-01 19:26:12,514 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:12,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:26:12,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:12,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:26:12,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:26:12,515 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) [2024-11-01 19:26:12,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:12,645 INFO L93 Difference]: Finished difference Result 1219 states and 1632 transitions. [2024-11-01 19:26:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:26:12,646 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 [2024-11-01 19:26:12,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:12,650 INFO L225 Difference]: With dead ends: 1219 [2024-11-01 19:26:12,650 INFO L226 Difference]: Without dead ends: 797 [2024-11-01 19:26:12,651 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 [2024-11-01 19:26:12,652 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 [2024-11-01 19:26:12,652 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] [2024-11-01 19:26:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-01 19:26:12,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 793. [2024-11-01 19:26:12,682 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) [2024-11-01 19:26:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1060 transitions. [2024-11-01 19:26:12,686 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1060 transitions. Word has length 73 [2024-11-01 19:26:12,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:12,686 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1060 transitions. [2024-11-01 19:26:12,686 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) [2024-11-01 19:26:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1060 transitions. [2024-11-01 19:26:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-01 19:26:12,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:12,689 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] [2024-11-01 19:26:12,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-01 19:26:12,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:12,889 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:12,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:12,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1835113710, now seen corresponding path program 1 times [2024-11-01 19:26:12,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:12,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731887675] [2024-11-01 19:26:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:12,890 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:12,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:12,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-01 19:26:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:26:13,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 19:26:13,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:26:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-01 19:26:13,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:26:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-01 19:26:13,765 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:26:13,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731887675] [2024-11-01 19:26:13,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [731887675] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 19:26:13,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 19:26:13,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-01 19:26:13,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911805097] [2024-11-01 19:26:13,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 19:26:13,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 19:26:13,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:26:13,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 19:26:13,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:26:13,766 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) [2024-11-01 19:26:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:26:13,953 INFO L93 Difference]: Finished difference Result 1595 states and 2137 transitions. [2024-11-01 19:26:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 19:26:13,956 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 [2024-11-01 19:26:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:26:13,960 INFO L225 Difference]: With dead ends: 1595 [2024-11-01 19:26:13,961 INFO L226 Difference]: Without dead ends: 805 [2024-11-01 19:26:13,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:26:13,964 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 [2024-11-01 19:26:13,964 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] [2024-11-01 19:26:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-01 19:26:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2024-11-01 19:26:13,992 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) [2024-11-01 19:26:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1072 transitions. [2024-11-01 19:26:13,996 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1072 transitions. Word has length 77 [2024-11-01 19:26:13,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:26:13,996 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1072 transitions. [2024-11-01 19:26:13,997 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) [2024-11-01 19:26:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1072 transitions. [2024-11-01 19:26:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-01 19:26:13,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:26:13,998 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] [2024-11-01 19:26:14,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-01 19:26:14,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:14,202 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:26:14,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:26:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 136768066, now seen corresponding path program 2 times [2024-11-01 19:26:14,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:26:14,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830040192] [2024-11-01 19:26:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:26:14,203 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:26:14,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:14,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:26:14,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-01 19:26:14,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-01 19:26:14,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:26:14,611 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 [2024-11-01 19:26:14,614 INFO L158 Benchmark]: Toolchain (without parser) took 17320.28ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 150.1MB in the beginning and 98.5MB in the end (delta: 51.6MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,614 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 19:26:14,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.62ms. Allocated memory is still 201.3MB. Free memory was 150.1MB in the beginning and 120.4MB in the end (delta: 29.7MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.41ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 116.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,615 INFO L158 Benchmark]: Boogie Preprocessor took 126.89ms. Allocated memory is still 201.3MB. Free memory was 116.2MB in the beginning and 105.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,615 INFO L158 Benchmark]: RCFGBuilder took 4977.69ms. Allocated memory is still 201.3MB. Free memory was 105.7MB in the beginning and 126.3MB in the end (delta: -20.6MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,615 INFO L158 Benchmark]: TraceAbstraction took 11381.27ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 125.8MB in the beginning and 98.5MB in the end (delta: 27.2MB). Peak memory consumption was 77.6MB. Max. memory is 8.0GB. [2024-11-01 19:26:14,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 757.62ms. Allocated memory is still 201.3MB. Free memory was 150.1MB in the beginning and 120.4MB in the end (delta: 29.7MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.41ms. Allocated memory is still 201.3MB. Free memory was 120.4MB in the beginning and 116.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 126.89ms. Allocated memory is still 201.3MB. Free memory was 116.2MB in the beginning and 105.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 4977.69ms. Allocated memory is still 201.3MB. Free memory was 105.7MB in the beginning and 126.3MB in the end (delta: -20.6MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11381.27ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 125.8MB in the beginning and 98.5MB in the end (delta: 27.2MB). Peak memory consumption was 77.6MB. 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. [2024-11-01 19:26:14,647 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...