/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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:32:41,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:32:41,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:32:41,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:32:41,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:32:41,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:32:41,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:32:41,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:32:41,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:32:41,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:32:41,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:32:41,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:32:41,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:32:41,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:32:41,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:32:41,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:32:41,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:32:41,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:32:41,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:32:41,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:32:41,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:32:41,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:32:41,676 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:32:41,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:32:41,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:32:41,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:32:41,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:32:41,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:32:41,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:32:41,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:32:41,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:32:41,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:32:41,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:32:41,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:32:41,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:32:41,679 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:32:41,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:32:41,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:32:41,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:32:41,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:32:41,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:32:41,681 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:32:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:32:41,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:32:41,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:32:41,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:32:41,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:32:41,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-11-05 11:32:43,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:32:43,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:32:43,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-11-05 11:32:43,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c7982de/3af96ee5bcee452f84c0a1ad495226d5/FLAGded994e09 [2024-11-05 11:32:43,883 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c7982de/3af96ee5bcee452f84c0a1ad495226d5 [2024-11-05 11:32:43,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:32:43,887 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:32:43,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:32:43,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:32:43,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:32:43,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:32:43" (1/1) ... [2024-11-05 11:32:43,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f92cc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:43, skipping insertion in model container [2024-11-05 11:32:43,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:32:43" (1/1) ... [2024-11-05 11:32:44,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:32:44,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2024-11-05 11:32:44,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,868 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,868 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,884 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,895 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,896 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,907 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,908 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,924 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,926 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,934 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,944 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,948 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,951 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,964 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,965 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,969 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,971 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,982 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:44,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,008 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,014 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:32:45,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:32:45,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:32:45,306 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2024-11-05 11:32:45,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:32:45,470 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:32:45,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45 WrapperNode [2024-11-05 11:32:45,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:32:45,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:32:45,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:32:45,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:32:45,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,560 INFO L138 Inliner]: procedures = 101, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1016 [2024-11-05 11:32:45,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:32:45,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:32:45,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:32:45,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:32:45,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,693 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 6, 86, 4, 7, 26, 4, 4, 2, 2]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 6, 4, 7, 0, 0, 0, 0, 0]. The 94 writes are split as follows [0, 23, 6, 30, 0, 0, 26, 3, 4, 1, 1]. [2024-11-05 11:32:45,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:32:45,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:32:45,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:32:45,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:32:45,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (1/1) ... [2024-11-05 11:32:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:32:45,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:32:45,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:32:45,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:32:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-05 11:32:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-05 11:32:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:32:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:32:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:32:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:32:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 11:32:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-05 11:32:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:32:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:32:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:32:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-05 11:32:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-05 11:32:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:32:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:32:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:32:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2024-11-05 11:32:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2024-11-05 11:32:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:32:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-05 11:32:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:32:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:32:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 11:32:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 11:32:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-05 11:32:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-05 11:32:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-05 11:32:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 11:32:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-05 11:32:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:32:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:32:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2024-11-05 11:32:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:32:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-05 11:32:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:32:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:32:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:32:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 11:32:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:32:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:32:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:32:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 11:32:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 11:32:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-05 11:32:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-05 11:32:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 11:32:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 11:32:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-11-05 11:32:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-11-05 11:32:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 11:32:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 11:32:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:32:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:32:46,297 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:32:46,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:32:46,344 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:32:58,852 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-05 11:32:58,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:32:58,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:32:58,883 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:32:58,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:32:58 BoogieIcfgContainer [2024-11-05 11:32:58,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:32:58,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:32:58,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:32:58,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:32:58,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:32:43" (1/3) ... [2024-11-05 11:32:58,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e940166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:32:58, skipping insertion in model container [2024-11-05 11:32:58,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:32:45" (2/3) ... [2024-11-05 11:32:58,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e940166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:32:58, skipping insertion in model container [2024-11-05 11:32:58,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:32:58" (3/3) ... [2024-11-05 11:32:58,897 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-11-05 11:32:58,916 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:32:58,916 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:32:59,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:32:59,029 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;@4863af21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:32:59,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:32:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 248 states have (on average 1.3024193548387097) internal successors, (323), 260 states have internal predecessors, (323), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-05 11:32:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-05 11:32:59,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:32:59,053 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:32:59,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:32:59,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:32:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1780788930, now seen corresponding path program 1 times [2024-11-05 11:32:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:32:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352976875] [2024-11-05 11:32:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:32:59,076 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:32:59,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:32:59,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:32:59,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:32:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:32:59,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:32:59,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:32:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:32:59,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:33:00,130 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352976875] [2024-11-05 11:33:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1352976875] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:00,131 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:00,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:33:00,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650777955] [2024-11-05 11:33:00,134 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:00,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:33:00,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:00,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:33:00,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:33:00,175 INFO L87 Difference]: Start difference. First operand has 365 states, 248 states have (on average 1.3024193548387097) internal successors, (323), 260 states have internal predecessors, (323), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:33:00,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:00,451 INFO L93 Difference]: Finished difference Result 728 states and 1030 transitions. [2024-11-05 11:33:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:33:00,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-05 11:33:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:00,481 INFO L225 Difference]: With dead ends: 728 [2024-11-05 11:33:00,481 INFO L226 Difference]: Without dead ends: 355 [2024-11-05 11:33:00,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:33:00,503 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 0 mSDsluCounter, 1967 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:00,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2460 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:33:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-05 11:33:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-05 11:33:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 244 states have (on average 1.278688524590164) internal successors, (312), 250 states have internal predecessors, (312), 88 states have call successors, (88), 23 states have call predecessors, (88), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-05 11:33:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 483 transitions. [2024-11-05 11:33:00,602 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 483 transitions. Word has length 40 [2024-11-05 11:33:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:00,604 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 483 transitions. [2024-11-05 11:33:00,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 11:33:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 483 transitions. [2024-11-05 11:33:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-05 11:33:00,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:00,608 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:00,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:33:00,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:00,809 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:00,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash -719561787, now seen corresponding path program 1 times [2024-11-05 11:33:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17545201] [2024-11-05 11:33:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:00,811 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:00,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:00,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:33:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:01,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:33:01,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 11:33:01,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 11:33:01,849 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17545201] [2024-11-05 11:33:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [17545201] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:01,850 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:01,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:33:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603612336] [2024-11-05 11:33:01,850 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:01,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:33:01,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:33:01,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:33:01,856 INFO L87 Difference]: Start difference. First operand 355 states and 483 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:33:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:02,076 INFO L93 Difference]: Finished difference Result 694 states and 947 transitions. [2024-11-05 11:33:02,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:33:02,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2024-11-05 11:33:02,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:02,088 INFO L225 Difference]: With dead ends: 694 [2024-11-05 11:33:02,088 INFO L226 Difference]: Without dead ends: 356 [2024-11-05 11:33:02,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:33:02,092 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 0 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:02,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2395 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:33:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-05 11:33:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-05 11:33:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 245 states have (on average 1.2775510204081633) internal successors, (313), 251 states have internal predecessors, (313), 88 states have call successors, (88), 23 states have call predecessors, (88), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-05 11:33:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 484 transitions. [2024-11-05 11:33:02,134 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 484 transitions. Word has length 41 [2024-11-05 11:33:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:02,135 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 484 transitions. [2024-11-05 11:33:02,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:33:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 484 transitions. [2024-11-05 11:33:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-05 11:33:02,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:02,141 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:02,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 11:33:02,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:02,342 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:02,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash -735836556, now seen corresponding path program 1 times [2024-11-05 11:33:02,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:02,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502906503] [2024-11-05 11:33:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:02,343 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:02,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:02,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:33:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:02,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:33:02,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:02,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:03,111 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:03,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502906503] [2024-11-05 11:33:03,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [502906503] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:03,112 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:03,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:33:03,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338147874] [2024-11-05 11:33:03,112 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:03,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:33:03,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:03,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:33:03,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:03,116 INFO L87 Difference]: Start difference. First operand 356 states and 484 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:33:07,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:33:09,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:09,182 INFO L93 Difference]: Finished difference Result 1301 states and 1785 transitions. [2024-11-05 11:33:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:33:09,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-05 11:33:09,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:09,192 INFO L225 Difference]: With dead ends: 1301 [2024-11-05 11:33:09,192 INFO L226 Difference]: Without dead ends: 966 [2024-11-05 11:33:09,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:09,197 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 865 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:09,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 1621 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-05 11:33:09,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2024-11-05 11:33:09,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2024-11-05 11:33:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 663 states have (on average 1.2745098039215685) internal successors, (845), 673 states have internal predecessors, (845), 241 states have call successors, (241), 62 states have call predecessors, (241), 61 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-05 11:33:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1322 transitions. [2024-11-05 11:33:09,278 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1322 transitions. Word has length 42 [2024-11-05 11:33:09,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:09,282 INFO L471 AbstractCegarLoop]: Abstraction has 966 states and 1322 transitions. [2024-11-05 11:33:09,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-05 11:33:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1322 transitions. [2024-11-05 11:33:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-05 11:33:09,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:09,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:09,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:33:09,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:09,485 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:09,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:09,486 INFO L85 PathProgramCache]: Analyzing trace with hash -908866617, now seen corresponding path program 1 times [2024-11-05 11:33:09,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:09,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193364163] [2024-11-05 11:33:09,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:09,486 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:09,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:09,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:09,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:33:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:09,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:33:09,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:11,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:11,946 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193364163] [2024-11-05 11:33:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [193364163] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:11,946 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:11,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-05 11:33:11,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646127419] [2024-11-05 11:33:11,946 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:11,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:33:11,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:11,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:33:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:11,948 INFO L87 Difference]: Start difference. First operand 966 states and 1322 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:33:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:12,348 INFO L93 Difference]: Finished difference Result 968 states and 1323 transitions. [2024-11-05 11:33:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:33:12,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 44 [2024-11-05 11:33:12,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:12,356 INFO L225 Difference]: With dead ends: 968 [2024-11-05 11:33:12,356 INFO L226 Difference]: Without dead ends: 965 [2024-11-05 11:33:12,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:12,358 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 722 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:12,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 479 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 11:33:12,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-11-05 11:33:12,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2024-11-05 11:33:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 663 states have (on average 1.2730015082956259) internal successors, (844), 672 states have internal predecessors, (844), 240 states have call successors, (240), 62 states have call predecessors, (240), 61 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-05 11:33:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1320 transitions. [2024-11-05 11:33:12,426 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1320 transitions. Word has length 44 [2024-11-05 11:33:12,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:12,426 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1320 transitions. [2024-11-05 11:33:12,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:33:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1320 transitions. [2024-11-05 11:33:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-05 11:33:12,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:12,428 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:12,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:33:12,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:12,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:12,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1889679006, now seen corresponding path program 1 times [2024-11-05 11:33:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313625468] [2024-11-05 11:33:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:12,631 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:12,633 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:12,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:33:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:12,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:33:12,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:14,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:14,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313625468] [2024-11-05 11:33:14,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [313625468] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:14,819 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:14,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-05 11:33:14,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122629597] [2024-11-05 11:33:14,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:14,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:33:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:33:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:14,820 INFO L87 Difference]: Start difference. First operand 965 states and 1320 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:33:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:14,903 INFO L93 Difference]: Finished difference Result 967 states and 1321 transitions. [2024-11-05 11:33:14,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:33:14,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2024-11-05 11:33:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:14,911 INFO L225 Difference]: With dead ends: 967 [2024-11-05 11:33:14,911 INFO L226 Difference]: Without dead ends: 964 [2024-11-05 11:33:14,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:33:14,913 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 439 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:14,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:33:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-05 11:33:14,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-05 11:33:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 663 states have (on average 1.2714932126696832) internal successors, (843), 671 states have internal predecessors, (843), 239 states have call successors, (239), 62 states have call predecessors, (239), 61 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-05 11:33:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1318 transitions. [2024-11-05 11:33:14,984 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1318 transitions. Word has length 45 [2024-11-05 11:33:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:14,984 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1318 transitions. [2024-11-05 11:33:14,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:33:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1318 transitions. [2024-11-05 11:33:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 11:33:14,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:14,987 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:14,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-05 11:33:15,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:15,188 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:15,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1549715030, now seen corresponding path program 1 times [2024-11-05 11:33:15,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:15,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796238487] [2024-11-05 11:33:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:15,190 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:15,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:33:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:15,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:33:15,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:16,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:16,546 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:16,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796238487] [2024-11-05 11:33:16,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1796238487] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:16,546 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:16,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:33:16,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424128412] [2024-11-05 11:33:16,546 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:16,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:33:16,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:16,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:33:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:16,547 INFO L87 Difference]: Start difference. First operand 964 states and 1318 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:16,646 INFO L93 Difference]: Finished difference Result 966 states and 1319 transitions. [2024-11-05 11:33:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:33:16,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 46 [2024-11-05 11:33:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:16,654 INFO L225 Difference]: With dead ends: 966 [2024-11-05 11:33:16,654 INFO L226 Difference]: Without dead ends: 963 [2024-11-05 11:33:16,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:16,656 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 436 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:16,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 475 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:33:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-05 11:33:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-05 11:33:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 663 states have (on average 1.2699849170437405) internal successors, (842), 670 states have internal predecessors, (842), 238 states have call successors, (238), 62 states have call predecessors, (238), 61 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-05 11:33:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1316 transitions. [2024-11-05 11:33:16,731 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1316 transitions. Word has length 46 [2024-11-05 11:33:16,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:16,731 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1316 transitions. [2024-11-05 11:33:16,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1316 transitions. [2024-11-05 11:33:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-05 11:33:16,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:16,734 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:16,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:33:16,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:16,935 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:16,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -796742879, now seen corresponding path program 1 times [2024-11-05 11:33:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:16,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310931744] [2024-11-05 11:33:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:16,937 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:16,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:16,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:16,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:33:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:17,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:33:17,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:17,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:18,375 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:18,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310931744] [2024-11-05 11:33:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1310931744] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:18,375 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:18,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:33:18,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938100868] [2024-11-05 11:33:18,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:18,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:33:18,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:18,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:33:18,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:18,377 INFO L87 Difference]: Start difference. First operand 963 states and 1316 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:18,447 INFO L93 Difference]: Finished difference Result 965 states and 1317 transitions. [2024-11-05 11:33:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:33:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 47 [2024-11-05 11:33:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:18,455 INFO L225 Difference]: With dead ends: 965 [2024-11-05 11:33:18,455 INFO L226 Difference]: Without dead ends: 962 [2024-11-05 11:33:18,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:18,457 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 433 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:18,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:33:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-05 11:33:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2024-11-05 11:33:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 663 states have (on average 1.2684766214177978) internal successors, (841), 669 states have internal predecessors, (841), 237 states have call successors, (237), 62 states have call predecessors, (237), 61 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2024-11-05 11:33:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1314 transitions. [2024-11-05 11:33:18,556 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1314 transitions. Word has length 47 [2024-11-05 11:33:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:18,557 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1314 transitions. [2024-11-05 11:33:18,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1314 transitions. [2024-11-05 11:33:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 11:33:18,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:33:18,558 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:18,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:33:18,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:18,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:33:18,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:33:18,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1070562189, now seen corresponding path program 1 times [2024-11-05 11:33:18,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:33:18,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681077830] [2024-11-05 11:33:18,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:33:18,764 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:33:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:18,766 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:33:18,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:33:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:33:19,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:33:19,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:33:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:19,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:33:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:33:20,399 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:33:20,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681077830] [2024-11-05 11:33:20,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1681077830] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:33:20,399 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:33:20,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:33:20,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407318711] [2024-11-05 11:33:20,399 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:33:20,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:33:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:33:20,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:33:20,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:20,400 INFO L87 Difference]: Start difference. First operand 962 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:33:20,472 INFO L93 Difference]: Finished difference Result 962 states and 1314 transitions. [2024-11-05 11:33:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:33:20,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 48 [2024-11-05 11:33:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:33:20,474 INFO L225 Difference]: With dead ends: 962 [2024-11-05 11:33:20,474 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 11:33:20,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:33:20,479 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 429 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:33:20,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:33:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 11:33:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 11:33:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:33:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 11:33:20,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2024-11-05 11:33:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:33:20,481 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 11:33:20,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-05 11:33:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 11:33:20,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 11:33:20,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 11:33:20,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-05 11:33:20,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:33:20,692 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:33:20,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.