/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:55:58,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:55:58,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:55:58,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:55:58,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:55:58,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:55:58,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:55:58,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:55:58,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:55:58,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:55:58,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:55:58,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:55:58,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:55:58,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:55:58,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:55:58,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:55:58,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:55:58,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:55:58,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:55:58,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:55:58,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:55:58,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:55:58,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:55:58,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:55:58,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:55:58,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:55:58,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:55:58,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:55:58,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:55:58,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:55:58,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:55:58,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:55:58,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:55:58,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:55:58,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:55:58,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:55:58,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:55:58,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:55:58,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:55:58,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:55:58,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:55:58,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-12 22:55:58,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:55:58,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:55:58,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:55:58,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:55:58,723 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:55:58,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:55:58,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:55:58,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:55:58,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:55:58,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:55:58,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:55:58,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:55:58,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:55:58,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:55:58,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:55:58,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:55:58,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:55:58,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:55:58,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:55:58,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:55:58,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:55:58,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:55:58,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:55:58,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:55:58,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:55:58,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:55:58,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:55:58,729 INFO L138 SettingsManager]: * To the following directory=dump/ 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.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 22:55:59,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:55:59,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:55:59,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:55:59,030 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:55:59,030 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:55:59,031 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-12 22:55:59,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f65a589/8bd8138e1d624b0d8de6c02f9b949ae8/FLAG3651e8b91 [2020-10-12 22:55:59,902 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:55:59,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-12 22:55:59,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f65a589/8bd8138e1d624b0d8de6c02f9b949ae8/FLAG3651e8b91 [2020-10-12 22:56:00,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f65a589/8bd8138e1d624b0d8de6c02f9b949ae8 [2020-10-12 22:56:00,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:56:00,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:56:00,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:56:00,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:56:00,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:56:00,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:00" (1/1) ... [2020-10-12 22:56:00,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52df6c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:00, skipping insertion in model container [2020-10-12 22:56:00,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:00" (1/1) ... [2020-10-12 22:56:00,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:56:00,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:56:02,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:56:02,539 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:56:03,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:56:03,276 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:56:03,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03 WrapperNode [2020-10-12 22:56:03,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:56:03,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:56:03,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:56:03,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:56:03,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... [2020-10-12 22:56:03,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:56:03,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:56:03,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:56:03,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:56:03,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:56:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:56:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:56:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2020-10-12 22:56:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-12 22:56:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-12 22:56:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:56:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 22:56:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 22:56:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 22:56:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-12 22:56:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:56:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-12 22:56:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-12 22:56:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-12 22:56:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-12 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-12 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2020-10-12 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2020-10-12 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2020-10-12 22:56:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2020-10-12 22:56:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2020-10-12 22:56:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2020-10-12 22:56:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2020-10-12 22:56:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2020-10-12 22:56:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2020-10-12 22:56:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2020-10-12 22:56:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2020-10-12 22:56:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2020-10-12 22:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2020-10-12 22:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2020-10-12 22:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-12 22:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-12 22:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-12 22:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-12 22:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-12 22:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-12 22:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-12 22:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-12 22:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-12 22:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-12 22:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:56:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:56:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:56:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2020-10-12 22:56:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2020-10-12 22:56:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:56:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2020-10-12 22:56:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-12 22:56:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-12 22:56:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-12 22:56:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2020-10-12 22:56:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2020-10-12 22:56:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-10-12 22:56:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-12 22:56:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2020-10-12 22:56:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2020-10-12 22:56:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2020-10-12 22:56:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2020-10-12 22:56:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2020-10-12 22:56:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2020-10-12 22:56:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2020-10-12 22:56:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2020-10-12 22:56:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2020-10-12 22:56:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2020-10-12 22:56:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2020-10-12 22:56:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2020-10-12 22:56:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2020-10-12 22:56:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2020-10-12 22:56:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2020-10-12 22:56:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2020-10-12 22:56:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2020-10-12 22:56:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2020-10-12 22:56:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2020-10-12 22:56:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-12 22:56:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2020-10-12 22:56:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-12 22:56:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:56:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:56:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:56:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:56:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-12 22:56:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-12 22:56:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:56:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 22:56:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-12 22:56:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-12 22:56:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-12 22:56:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2020-10-12 22:56:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2020-10-12 22:56:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 22:56:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 22:56:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-12 22:56:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-12 22:56:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-12 22:56:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-12 22:56:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-12 22:56:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-12 22:56:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 22:56:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-12 22:56:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-12 22:56:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 22:56:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-12 22:56:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-12 22:56:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-12 22:56:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-12 22:56:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-12 22:56:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-12 22:56:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-12 22:56:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:56:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-12 22:56:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2020-10-12 22:56:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2020-10-12 22:56:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-12 22:56:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:56:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 22:56:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:56:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:56:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 22:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-12 22:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 22:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 22:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 22:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-12 22:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-12 22:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 22:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-12 22:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-12 22:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-12 22:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-12 22:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-12 22:56:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-12 22:56:03,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:56:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-12 22:56:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-12 22:56:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-12 22:56:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2020-10-12 22:56:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:56:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-12 22:56:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 22:56:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2020-10-12 22:56:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-12 22:56:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:56:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:56:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2020-10-12 22:56:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-12 22:56:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-12 22:56:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-12 22:56:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-12 22:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-12 22:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-12 22:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-12 22:56:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2020-10-12 22:56:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2020-10-12 22:56:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:56:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-12 22:56:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:56:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:56:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:56:13,867 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:56:13,867 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:56:13,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:13 BoogieIcfgContainer [2020-10-12 22:56:13,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:56:13,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:56:13,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:56:13,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:56:13,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:56:00" (1/3) ... [2020-10-12 22:56:13,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d44edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:13, skipping insertion in model container [2020-10-12 22:56:13,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:03" (2/3) ... [2020-10-12 22:56:13,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d44edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:13, skipping insertion in model container [2020-10-12 22:56:13,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:13" (3/3) ... [2020-10-12 22:56:13,895 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2020-10-12 22:56:13,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:56:13,917 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:56:13,931 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:56:13,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:56:13,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:56:13,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:56:13,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:56:13,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:56:13,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:56:13,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:56:13,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:56:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states. [2020-10-12 22:56:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-12 22:56:14,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:56:14,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:56:14,033 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:56:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:56:14,040 INFO L82 PathProgramCache]: Analyzing trace with hash -938312222, now seen corresponding path program 1 times [2020-10-12 22:56:14,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:56:14,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834841013] [2020-10-12 22:56:14,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:56:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:20,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:20,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 22:56:20,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5626 [2020-10-12 22:56:20,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:56:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 22:56:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 22:56:27,935 WARN L193 SmtUtils]: Spent 7.16 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-12 22:56:27,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:56:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:28,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:28,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:28,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:28,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-10-12 22:56:28,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:29,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:29,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:29,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:29,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:29,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 22:56:29,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:56:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:56:29,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834841013] [2020-10-12 22:56:29,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:56:29,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:56:29,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897305252] [2020-10-12 22:56:29,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:56:29,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:56:29,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:56:29,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:56:29,180 INFO L87 Difference]: Start difference. First operand 1318 states. Second operand 5 states. [2020-10-12 22:56:39,216 WARN L193 SmtUtils]: Spent 7.33 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-12 22:57:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:57:06,911 INFO L93 Difference]: Finished difference Result 1374 states and 1900 transitions. [2020-10-12 22:57:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:57:06,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-12 22:57:06,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:57:06,940 INFO L225 Difference]: With dead ends: 1374 [2020-10-12 22:57:06,940 INFO L226 Difference]: Without dead ends: 911 [2020-10-12 22:57:06,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:57:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-10-12 22:57:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 884. [2020-10-12 22:57:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-12 22:57:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1199 transitions. [2020-10-12 22:57:07,492 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1199 transitions. Word has length 16 [2020-10-12 22:57:07,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:57:07,492 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1199 transitions. [2020-10-12 22:57:07,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:57:07,493 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1199 transitions. [2020-10-12 22:57:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-12 22:57:07,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:57:07,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:57:07,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:57:07,495 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:57:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:57:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash 976367723, now seen corresponding path program 1 times [2020-10-12 22:57:07,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:57:07,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770330096] [2020-10-12 22:57:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:57:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:07,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:10,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:10,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 22:57:10,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3051 [2020-10-12 22:57:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:57:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 22:57:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:17,832 WARN L193 SmtUtils]: Spent 6.93 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-12 22:57:17,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:57:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:18,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:18,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:18,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-12 22:57:18,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:18,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:18,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 22:57:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:57:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:57:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:57:18,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770330096] [2020-10-12 22:57:18,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:57:18,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:57:18,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946042308] [2020-10-12 22:57:18,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:57:18,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:57:18,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:57:18,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:57:18,758 INFO L87 Difference]: Start difference. First operand 884 states and 1199 transitions. Second operand 5 states. [2020-10-12 22:57:28,533 WARN L193 SmtUtils]: Spent 7.22 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-12 22:57:44,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:57:44,805 INFO L93 Difference]: Finished difference Result 913 states and 1235 transitions. [2020-10-12 22:57:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:57:44,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-12 22:57:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:57:44,814 INFO L225 Difference]: With dead ends: 913 [2020-10-12 22:57:44,815 INFO L226 Difference]: Without dead ends: 910 [2020-10-12 22:57:44,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:57:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-12 22:57:45,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 886. [2020-10-12 22:57:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-12 22:57:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1200 transitions. [2020-10-12 22:57:45,140 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1200 transitions. Word has length 17 [2020-10-12 22:57:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:57:45,140 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1200 transitions. [2020-10-12 22:57:45,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:57:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1200 transitions. [2020-10-12 22:57:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-12 22:57:45,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:57:45,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:57:45,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:57:45,142 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:57:45,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:57:45,143 INFO L82 PathProgramCache]: Analyzing trace with hash 201908741, now seen corresponding path program 1 times [2020-10-12 22:57:45,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:57:45,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901728178] [2020-10-12 22:57:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:57:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:57:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2620 [2020-10-12 22:57:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:57:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 22:57:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,319 WARN L193 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-12 22:57:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:57:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:56,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 749 [2020-10-12 22:57:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:56,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:56,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:56,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:56,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:57:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:57:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:57:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:57:56,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901728178] [2020-10-12 22:57:56,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:57:56,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:57:56,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858617765] [2020-10-12 22:57:56,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:57:56,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:57:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:57:56,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:57:56,297 INFO L87 Difference]: Start difference. First operand 886 states and 1200 transitions. Second operand 5 states. [2020-10-12 22:58:06,036 WARN L193 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-12 22:58:23,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:58:23,203 INFO L93 Difference]: Finished difference Result 912 states and 1233 transitions. [2020-10-12 22:58:23,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:58:23,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-12 22:58:23,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:58:23,213 INFO L225 Difference]: With dead ends: 912 [2020-10-12 22:58:23,213 INFO L226 Difference]: Without dead ends: 909 [2020-10-12 22:58:23,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:58:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-12 22:58:23,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 885. [2020-10-12 22:58:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-10-12 22:58:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1198 transitions. [2020-10-12 22:58:23,586 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1198 transitions. Word has length 18 [2020-10-12 22:58:23,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:58:23,586 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1198 transitions. [2020-10-12 22:58:23,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:58:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1198 transitions. [2020-10-12 22:58:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-12 22:58:23,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:58:23,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:58:23,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 22:58:23,588 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:58:23,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:58:23,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1963488942, now seen corresponding path program 1 times [2020-10-12 22:58:23,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:58:23,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678931152] [2020-10-12 22:58:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:58:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:23,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:27,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:27,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 22:58:27,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3719 [2020-10-12 22:58:27,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:27,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:58:27,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:58:27,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:58:27,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:35,052 WARN L193 SmtUtils]: Spent 7.44 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-12 22:58:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:58:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:35,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:35,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:58:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:35,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:35,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:35,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:58:35,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:58:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:58:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:58:35,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678931152] [2020-10-12 22:58:35,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:58:35,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:58:35,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51626719] [2020-10-12 22:58:35,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:58:35,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:58:35,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:58:35,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:58:35,794 INFO L87 Difference]: Start difference. First operand 885 states and 1198 transitions. Second operand 5 states. [2020-10-12 22:58:45,316 WARN L193 SmtUtils]: Spent 7.01 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-12 22:59:02,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:59:02,507 INFO L93 Difference]: Finished difference Result 911 states and 1231 transitions. [2020-10-12 22:59:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:59:02,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-12 22:59:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:59:02,516 INFO L225 Difference]: With dead ends: 911 [2020-10-12 22:59:02,516 INFO L226 Difference]: Without dead ends: 908 [2020-10-12 22:59:02,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:59:02,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-12 22:59:02,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 884. [2020-10-12 22:59:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-12 22:59:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1196 transitions. [2020-10-12 22:59:02,822 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1196 transitions. Word has length 19 [2020-10-12 22:59:02,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:59:02,823 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1196 transitions. [2020-10-12 22:59:02,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:59:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1196 transitions. [2020-10-12 22:59:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 22:59:02,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:59:02,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:59:02,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 22:59:02,824 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:59:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:59:02,825 INFO L82 PathProgramCache]: Analyzing trace with hash 737905192, now seen corresponding path program 1 times [2020-10-12 22:59:02,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:59:02,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295713139] [2020-10-12 22:59:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:59:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:03,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:04,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1985 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:59:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:59:04,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:12,394 WARN L193 SmtUtils]: Spent 7.29 s on a formula simplification that was a NOOP. DAG size: 1207 [2020-10-12 22:59:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:59:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:12,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:12,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:13,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:59:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:13,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:13,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:13,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:13,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:13,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:59:13,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:59:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:59:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:59:13,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295713139] [2020-10-12 22:59:13,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:59:13,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:59:13,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590122430] [2020-10-12 22:59:13,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:59:13,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:59:13,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:59:13,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:59:13,116 INFO L87 Difference]: Start difference. First operand 884 states and 1196 transitions. Second operand 5 states. [2020-10-12 22:59:22,639 WARN L193 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 1209 [2020-10-12 22:59:41,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:59:41,620 INFO L93 Difference]: Finished difference Result 910 states and 1229 transitions. [2020-10-12 22:59:41,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:59:41,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-12 22:59:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:59:41,630 INFO L225 Difference]: With dead ends: 910 [2020-10-12 22:59:41,630 INFO L226 Difference]: Without dead ends: 901 [2020-10-12 22:59:41,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:59:41,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-12 22:59:42,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 877. [2020-10-12 22:59:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-12 22:59:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1187 transitions. [2020-10-12 22:59:42,101 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1187 transitions. Word has length 20 [2020-10-12 22:59:42,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:59:42,101 INFO L479 AbstractCegarLoop]: Abstraction has 877 states and 1187 transitions. [2020-10-12 22:59:42,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:59:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1187 transitions. [2020-10-12 22:59:42,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 22:59:42,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:59:42,113 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:59:42,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 22:59:42,113 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:59:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:59:42,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1288844198, now seen corresponding path program 1 times [2020-10-12 22:59:42,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:59:42,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702605639] [2020-10-12 22:59:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:59:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:42,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:48,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:48,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 22:59:48,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:48,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6071 [2020-10-12 22:59:48,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:59:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-12 22:59:48,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:59:48,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0