/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 'cvc4 --incremental --print-success --lang smt' -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-356b6ba-m [2024-11-01 06:44:29,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:44:29,387 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 06:44:29,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:44:29,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:44:29,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:44:29,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:44:29,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:44:29,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:44:29,429 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:44:29,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:44:29,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:44:29,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:44:29,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:44:29,431 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:44:29,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:44:29,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:44:29,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:44:29,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:44:29,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:44:29,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:44:29,437 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:44:29,437 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:44:29,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:44:29,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:44:29,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:44:29,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:44:29,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:44:29,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:44:29,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:44:29,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:44:29,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:44:29,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:44:29,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:44:29,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:44:29,443 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:44:29,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:29,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:44:29,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:44:29,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:44:29,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:44:29,445 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:44:29,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:29,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:44:29,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:44:29,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:44:29,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:44:29,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:44:29,896 INFO L431 ainManager$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 [2024-11-01 06:44:31,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:44:32,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:44:32,296 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 [2024-11-01 06:44:32,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce0ac9bd/6b4cde9d80c94ae19df7e8024fe89ca1/FLAG054a7bc1a [2024-11-01 06:44:32,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce0ac9bd/6b4cde9d80c94ae19df7e8024fe89ca1 [2024-11-01 06:44:32,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:44:32,384 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:44:32,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:44:32,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:44:32,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:44:32,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:44:32" (1/1) ... [2024-11-01 06:44:32,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d33a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:32, skipping insertion in model container [2024-11-01 06:44:32,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:44:32" (1/1) ... [2024-11-01 06:44:32,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:44:33,444 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-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] [2024-11-01 06:44:33,558 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,641 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,642 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,645 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,646 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,646 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,650 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,665 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,666 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,669 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,670 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,678 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,681 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,695 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,696 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,701 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,702 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,718 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,719 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,722 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,723 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,724 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,730 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,743 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,746 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,749 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,751 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,764 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,765 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,766 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,767 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,770 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,774 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,780 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,780 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,798 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,799 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,850 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,852 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,862 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:33,862 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:34,041 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:44:34,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:44:34,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:44:34,350 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-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] [2024-11-01 06:44:34,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:44:34,536 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:44:34,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34 WrapperNode [2024-11-01 06:44:34,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:44:34,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:44:34,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:44:34,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:44:34,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,668 INFO L138 Inliner]: procedures = 101, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1016 [2024-11-01 06:44:34,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:44:34,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:44:34,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:44:34,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:44:34,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,860 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 4, 4, 2, 2, 86, 7, 6, 4, 26]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 4, 0, 0, 6, 7, 0, 0, 0]. The 94 writes are split as follows [0, 23, 4, 0, 1, 1, 30, 0, 6, 3, 26]. [2024-11-01 06:44:34,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:34,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:44:34,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:44:34,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:44:34,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:44:34,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (1/1) ... [2024-11-01 06:44:35,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:44:35,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:44:35,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 06:44:35,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 06:44:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-01 06:44:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-01 06:44:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 06:44:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-01 06:44:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 06:44:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 06:44:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 06:44:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 06:44:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-01 06:44:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 06:44:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 06:44:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-01 06:44:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-01 06:44:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 06:44:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 06:44:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 06:44:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 06:44:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 06:44:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 06:44:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2024-11-01 06:44:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2024-11-01 06:44:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2024-11-01 06:44:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2024-11-01 06:44:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-01 06:44:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 06:44:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 06:44:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-01 06:44:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-01 06:44:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-01 06:44:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-01 06:44:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-01 06:44:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-01 06:44:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-01 06:44:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-01 06:44:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-01 06:44:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-01 06:44:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-01 06:44:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-01 06:44:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-01 06:44:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-01 06:44:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-01 06:44:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-01 06:44:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 06:44:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 06:44:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2024-11-01 06:44:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 06:44:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-01 06:44:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:44:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 06:44:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 06:44:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:44:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:44:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 06:44:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-01 06:44:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:44:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 06:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-01 06:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-11-01 06:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 06:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 06:44:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:44:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:44:35,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:44:35,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:44:35,648 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 06:44:48,253 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-01 06:44:48,253 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:44:48,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:44:48,285 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 06:44:48,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:44:48 BoogieIcfgContainer [2024-11-01 06:44:48,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:44:48,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:44:48,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:44:48,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:44:48,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:44:32" (1/3) ... [2024-11-01 06:44:48,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2510b14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:44:48, skipping insertion in model container [2024-11-01 06:44:48,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:34" (2/3) ... [2024-11-01 06:44:48,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2510b14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:44:48, skipping insertion in model container [2024-11-01 06:44:48,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:44:48" (3/3) ... [2024-11-01 06:44:48,301 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 [2024-11-01 06:44:48,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:44:48,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:44:48,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:44:48,411 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;@18dcefcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:44:48,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:44:48,418 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) [2024-11-01 06:44:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-01 06:44:48,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:48,429 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] [2024-11-01 06:44:48,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:44:48,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:44:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1310428926, now seen corresponding path program 1 times [2024-11-01 06:44:48,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:44:48,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176556087] [2024-11-01 06:44:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:44:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:44:48,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:44:48,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:44:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:44:49,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:44:49,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:44:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:44:49,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:44:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:44:49,649 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:44:49,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176556087] [2024-11-01 06:44:49,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [176556087] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:44:49,650 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:44:49,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 06:44:49,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532729091] [2024-11-01 06:44:49,653 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:44:49,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:44:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:44:49,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:44:49,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:49,691 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 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-01 06:44:53,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:44:56,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:44:56,784 INFO L93 Difference]: Finished difference Result 1345 states and 1929 transitions. [2024-11-01 06:44:56,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:44:56,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 40 [2024-11-01 06:44:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:44:56,824 INFO L225 Difference]: With dead ends: 1345 [2024-11-01 06:44:56,824 INFO L226 Difference]: Without dead ends: 964 [2024-11-01 06:44:56,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:56,841 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 1149 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 165 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-01 06:44:56,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1232 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-01 06:44:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-01 06:44:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-01 06:44:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 661 states have (on average 1.275340393343419) internal successors, (843), 671 states have internal predecessors, (843), 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) [2024-11-01 06:44:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1320 transitions. [2024-11-01 06:44:57,043 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1320 transitions. Word has length 40 [2024-11-01 06:44:57,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:44:57,044 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1320 transitions. [2024-11-01 06:44:57,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-01 06:44:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1320 transitions. [2024-11-01 06:44:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-01 06:44:57,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:57,048 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] [2024-11-01 06:44:57,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 06:44:57,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:57,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:44:57,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:44:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1542759983, now seen corresponding path program 1 times [2024-11-01 06:44:57,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:44:57,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210856958] [2024-11-01 06:44:57,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:44:57,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:44:57,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:44:57,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:44:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:44:57,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:44:57,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:44:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:44:59,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:00,570 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210856958] [2024-11-01 06:45:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [210856958] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:00,570 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:00,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 06:45:00,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028525473] [2024-11-01 06:45:00,571 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:00,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:45:00,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:00,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:45:00,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:45:00,575 INFO L87 Difference]: Start difference. First operand 964 states and 1320 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-01 06:45:00,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:00,660 INFO L93 Difference]: Finished difference Result 966 states and 1321 transitions. [2024-11-01 06:45:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:00,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 42 [2024-11-01 06:45:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:00,669 INFO L225 Difference]: With dead ends: 966 [2024-11-01 06:45:00,669 INFO L226 Difference]: Without dead ends: 963 [2024-11-01 06:45:00,670 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 [2024-11-01 06:45:00,671 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 444 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 479 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 [2024-11-01 06:45:00,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 479 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 06:45:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-01 06:45:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-01 06:45:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 661 states have (on average 1.2738275340393344) internal successors, (842), 670 states have internal predecessors, (842), 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) [2024-11-01 06:45:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1318 transitions. [2024-11-01 06:45:00,760 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1318 transitions. Word has length 42 [2024-11-01 06:45:00,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:00,760 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1318 transitions. [2024-11-01 06:45:00,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-01 06:45:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1318 transitions. [2024-11-01 06:45:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-01 06:45:00,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:00,764 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] [2024-11-01 06:45:00,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 06:45:00,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:00,966 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:00,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:00,967 INFO L85 PathProgramCache]: Analyzing trace with hash -581146156, now seen corresponding path program 1 times [2024-11-01 06:45:00,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:00,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656017988] [2024-11-01 06:45:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:00,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:00,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:45:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:01,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:45:01,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:03,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:04,129 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:04,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656017988] [2024-11-01 06:45:04,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1656017988] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:04,130 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:04,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 06:45:04,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602832305] [2024-11-01 06:45:04,130 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:04,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:45:04,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:04,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:45:04,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:45:04,132 INFO L87 Difference]: Start difference. First operand 963 states and 1318 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-01 06:45:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:04,224 INFO L93 Difference]: Finished difference Result 965 states and 1319 transitions. [2024-11-01 06:45:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:04,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 43 [2024-11-01 06:45:04,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:04,232 INFO L225 Difference]: With dead ends: 965 [2024-11-01 06:45:04,232 INFO L226 Difference]: Without dead ends: 962 [2024-11-01 06:45:04,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:45:04,234 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 441 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 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 [2024-11-01 06:45:04,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 06:45:04,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-01 06:45:04,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2024-11-01 06:45:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 661 states have (on average 1.2723146747352496) internal successors, (841), 669 states have internal predecessors, (841), 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) [2024-11-01 06:45:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1316 transitions. [2024-11-01 06:45:04,340 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1316 transitions. Word has length 43 [2024-11-01 06:45:04,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:04,340 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1316 transitions. [2024-11-01 06:45:04,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-01 06:45:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1316 transitions. [2024-11-01 06:45:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-01 06:45:04,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:04,343 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] [2024-11-01 06:45:04,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-01 06:45:04,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:04,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:04,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash -835883724, now seen corresponding path program 1 times [2024-11-01 06:45:04,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:04,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638716373] [2024-11-01 06:45:04,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:04,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:04,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:04,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:45:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:05,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:05,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:05,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:06,351 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638716373] [2024-11-01 06:45:06,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [638716373] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:06,352 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:06,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 06:45:06,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986457787] [2024-11-01 06:45:06,352 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:06,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:45:06,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:45:06,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:06,354 INFO L87 Difference]: Start difference. First operand 962 states and 1316 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-01 06:45:06,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:06,454 INFO L93 Difference]: Finished difference Result 964 states and 1317 transitions. [2024-11-01 06:45:06,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:06,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 44 [2024-11-01 06:45:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:06,465 INFO L225 Difference]: With dead ends: 964 [2024-11-01 06:45:06,465 INFO L226 Difference]: Without dead ends: 961 [2024-11-01 06:45:06,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:06,467 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 438 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 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 [2024-11-01 06:45:06,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 475 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 06:45:06,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-01 06:45:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2024-11-01 06:45:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 661 states have (on average 1.2708018154311649) internal successors, (840), 668 states have internal predecessors, (840), 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) [2024-11-01 06:45:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1314 transitions. [2024-11-01 06:45:06,584 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1314 transitions. Word has length 44 [2024-11-01 06:45:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:06,584 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1314 transitions. [2024-11-01 06:45:06,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-01 06:45:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1314 transitions. [2024-11-01 06:45:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-01 06:45:06,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:06,586 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] [2024-11-01 06:45:06,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 06:45:06,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:06,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:06,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:06,788 INFO L85 PathProgramCache]: Analyzing trace with hash -142808873, now seen corresponding path program 1 times [2024-11-01 06:45:06,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:06,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839892503] [2024-11-01 06:45:06,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:06,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:06,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:06,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 06:45:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:07,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:07,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:08,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:09,033 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:09,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839892503] [2024-11-01 06:45:09,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [839892503] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:09,034 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:09,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 06:45:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339750834] [2024-11-01 06:45:09,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:09,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:45:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:45:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:09,036 INFO L87 Difference]: Start difference. First operand 961 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-01 06:45:09,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:09,134 INFO L93 Difference]: Finished difference Result 963 states and 1315 transitions. [2024-11-01 06:45:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:09,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 45 [2024-11-01 06:45:09,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:09,142 INFO L225 Difference]: With dead ends: 963 [2024-11-01 06:45:09,143 INFO L226 Difference]: Without dead ends: 960 [2024-11-01 06:45:09,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:09,145 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 435 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 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 [2024-11-01 06:45:09,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 06:45:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-01 06:45:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2024-11-01 06:45:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 661 states have (on average 1.2692889561270801) internal successors, (839), 667 states have internal predecessors, (839), 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) [2024-11-01 06:45:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1312 transitions. [2024-11-01 06:45:09,291 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1312 transitions. Word has length 45 [2024-11-01 06:45:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:09,291 INFO L471 AbstractCegarLoop]: Abstraction has 960 states and 1312 transitions. [2024-11-01 06:45:09,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-01 06:45:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1312 transitions. [2024-11-01 06:45:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 06:45:09,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:09,293 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] [2024-11-01 06:45:09,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-01 06:45:09,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:09,494 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:09,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:09,495 INFO L85 PathProgramCache]: Analyzing trace with hash -132320105, now seen corresponding path program 1 times [2024-11-01 06:45:09,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:09,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943196325] [2024-11-01 06:45:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:09,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:09,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:09,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:09,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 06:45:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:09,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:09,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:10,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:11,168 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:11,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943196325] [2024-11-01 06:45:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1943196325] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:11,169 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 06:45:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920964586] [2024-11-01 06:45:11,169 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:11,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:45:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:45:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:11,170 INFO L87 Difference]: Start difference. First operand 960 states and 1312 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-01 06:45:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:11,242 INFO L93 Difference]: Finished difference Result 960 states and 1312 transitions. [2024-11-01 06:45:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:11,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 [2024-11-01 06:45:11,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:11,245 INFO L225 Difference]: With dead ends: 960 [2024-11-01 06:45:11,245 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 06:45:11,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:11,249 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 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 [2024-11-01 06:45:11,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 06:45:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 06:45:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 06:45:11,250 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) [2024-11-01 06:45:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 06:45:11,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2024-11-01 06:45:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:11,250 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 06:45:11,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-01 06:45:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 06:45:11,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 06:45:11,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 06:45:11,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-01 06:45:11,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:11,459 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-01 06:45:11,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.